Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
1
Solutions to Exercise 6 (p. 14) from Harwood Clarke’s Additional Pure Mathematics
Additional Pure Mathematics is a book used to teach Additional Mathematics in the
1960s and 1970s. The questions are good, and for selected topics, I require my GCE O-
Level students to attempt questions this book.
Remember that “log” or “lg” refers to “log base 10” 1.
2.
2alt.
3.
4.
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
2
5.
6.
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√
9.
√ ( )
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
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10.
(
)
(
)
11.
(
)
12.
√
13.
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
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14.
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(
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19.
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
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20.
√
The End
