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NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails5jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=6Page 6button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=6 data-page=6 class=ts-thumb lazyload alt=Page 6: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails6jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=7Page 7button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=7 data-page=7 class=ts-thumb lazyload alt=Page 7: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails7jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=8Page 8button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=8 data-page=8 class=ts-thumb lazyload alt=Page 8: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails8jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=9Page 9button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=9 data-page=9 class=ts-thumb lazyload alt=Page 9: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails9jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=10Page 10button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=10 data-page=10 class=ts-thumb lazyload alt=Page 10: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails10jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=11Page 11button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=11 data-page=11 class=ts-thumb lazyload alt=Page 11: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails11jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=12Page 12button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=12 data-page=12 class=ts-thumb lazyload alt=Page 12: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails12jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=13Page 13button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=13 data-page=13 class=ts-thumb lazyload alt=Page 13: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails13jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=14Page 14button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=14 data-page=14 class=ts-thumb lazyload alt=Page 14: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails14jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=15Page 15button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=15 data-page=15 class=ts-thumb lazyload alt=Page 15: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails15jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=16Page 16button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=16 data-page=16 class=ts-thumb lazyload alt=Page 16: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails16jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=17Page 17button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=17 data-page=17 class=ts-thumb lazyload alt=Page 17: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails17jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=18Page 18button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=18 data-page=18 class=ts-thumb lazyload alt=Page 18: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails18jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=19Page 19button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=19 data-page=19 class=ts-thumb lazyload alt=Page 19: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails19jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=20Page 20button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=20 data-page=20 class=ts-thumb lazyload alt=Page 20: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails20jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=21Page 21button div class=ts-imageimg data-url=nui-galway-nui-complex-numbers-imaginary-numbers-the-symbol-i-the-square-roothtmlpage=21 data-page=21 class=ts-thumb lazyload alt=Page 21: NUI Galway - NUI Galway · COMPLEX NUMBERS Imaginary Numbers: the Symbol i The square root of a negative number is called an imaginary number eg are 12 i Express 1 —2i2 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentinreader034viewer20220425155fae6932c24f622b6339d79ahtml5thumbnails21jpg width=140 height=200 divdiv