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Solutions to Exercise 18 (p. 43) from Harwood Clarke’s Additional Pure Mathematics.
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Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
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Solutions to Exercise 18 (p. 43) 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.
1.
2.
3.
(
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(
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Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
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4.
5.
is the 16th term of the G.P.
6.
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
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(
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(
)
(
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(
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7.
√ √
The geometric mean of 18 and 50 is 30.
8.
Substitute into (2):
