div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader043vdocumentinreader043viewer20220124166171835784945e59d13ab9dehtml5page1jpg target=_blank img data-url=tut4-open-and-closed-in-rn-1htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: TUT4 Open and closed in Rn-1 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader043vdocumentinreader043viewer20220124166171835784945e59d13ab9dehtml5thumbnails1jpg width=140 height=200 adivpTUT4_Open_and_clos…p pTUT4_Open_and_closed_in_Rn-1ThursdayFebruary42021 09:04pdiv