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Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
1
Solutions to Exercise 4F (p. 97−98) Teh Keng Seng and Loh Cheng Yee’s New Syllabus
Additional Mathematics: 8th Edition (Textbook)
1(a)
( )
1(b)
(
)
(
)
1(c)
( )
1(d)
( )
1(e)
(
)
1(f)
( )
2(a)
2(b)
( )
( )
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
2
√
( ) √( ) ( )( )
( )
√
√
2(c)
( )
√
2(d)
( )
2(e)
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
3
2(f)
( ) ( )
( )
2(g)
( )( )
2(h)
( ) ( )
( )( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
4
2(i)
( )
( )
( )
( )
( )
( )( )
2(j)
3.
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
5
( ) (
)
( )( )
4
( )
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
6
5(a)
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5(b)
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6(a)(i)
6(a)(ii)
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6(b)
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( )
( )
( )
7
√ √ √
( )
(√ √
√ )
( )
(√
)
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
7
(√
)
( )
((
)
)
( )
(( )
)
( )
(
)
( )
8(a)
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( )
( )
( )
8(b)
( )
( )
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
8
Year =2016 9(a)
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( )
( )
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9(b)
( )
( )
( )
(
)
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Year = 2018 10(a)
Compounded amount = $254.24 10(b)
Dr CK Lee’s Additional Mathematics Classes ( 91473612 or check out http://ascklee.org/)
9
Time = 13 years and 1 month 11(i)(a)
11(i)(b)
11(ii)
For enquiries about Dr CK Lee’s Additional Mathematics Tutorials, email him at [email protected], or contact him at 91473612.
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