Dr CK Lee’s Additional Mathematics Tutorials ( 91473612 or surf to http://ascklee.org/)

1

Solutions to Exercise 3.1 (p. 43−44) from Chow Wai Keung’s Discovering Additional

Mathematics (Textbook)

3.

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( ) ( )

4.

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5a

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5b

( ) ( )

5c

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5d

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6a

( ) ( )

6b

( ) ( )

6c

Dr CK Lee’s Additional Mathematics Tutorials ( 91473612 or surf to http://ascklee.org/)

2

( ) ( )

6d

( ) ( )

7a

( )( )

7b

( )( ) ( ) ( )

7c

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8

( ) ( )

9

( ) ( ) ( )

10

( )

( )

11

( )( )( )

( )( )( ) ( )( )

( ) ( )

12

Dr CK Lee’s Additional Mathematics Tutorials ( 91473612 or surf to http://ascklee.org/)

3

( ) ( )

( ) ( )

( ) ( )

( )

13a

( ) ( ) ( )

14a

( ) ( )

[ ( ) ( )] ( )

14c

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( ) ( ) ( )

( ) ( )

15

( )

( )

Dr CK Lee’s Additional Mathematics Tutorials ( 91473612 or surf to http://ascklee.org/)

4

16a

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( ) ( )

( )

16b

( ) ( )

17

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( ) ( ) ( ) ( )

( ) ( )

( )

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18

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Dr CK Lee’s Additional Mathematics Tutorials ( 91473612 or surf to http://ascklee.org/)

5

( )

( )

( ) ( )

( )

20a

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( )( )

( ) ( )

20b

20c

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A future version will include the solutions to more questions!

The End