Analysis and Approaches for IBDP Maths Ebook 2

Answers Chapter 10 Exercise 40 40.1 (a) 40.2 (b) 2 2 x � (4 � 2 h) x � (4 � 4 h � h ) dy 2x 4 dx � � f �( x) �2x � 6x 3 40.3 f�( x) �� 2 (3x � 2) 4 40.4 f�( x) � 3 (1 � 2 x) Exercise 41 41.1 Refer to solution 41.2 Refer to solution 41.3 Refer to solution 41.4 Refer to solution Exercise 42 2 Exercise 44 44.1 (a) Refer to solution (b) (i) (0, 3) (ii) 3 � 7 (c) 7 4 44.2 (a) Refer to solution (b) (i) � 1 (ii) a �� 1 (c) Refer to solution 44.3 (a) Refer to solution (b) Q:( �0.0492, � 0.5) , R :(3.05, � 0.5) (c) 1 y �� 2 44.4 (a) Refer to solution (b) P :( �8, � 4) , Q:(4, 2) (c) Chapter 11 Refer to solution 42.1 Refer to solution 42.2 Refer to solution 42.3 Refer to solution 42.4 Refer to solution Exercise 43 43.1 2 e � 1 43.2 (3,1) and (3, 3) 43.3 Refer to solution 43.4 Refer to solution Exercise 45 45.1 Refer to solution 45.2 4�x� 6 y�(4� �3) � 0 45.3 3x�8y�50 � 0 or 3x�8y�50 � 0 45.4 5x� 27y�120 � 0 or 5x� 27y�120 � 0 www.seprodstore.com 279

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