Q. 92

Question

$P r o v e T h e o r e m 3.11 (b) : I f x = c i s a c r i t i c a l p o i n t o f f, b o t h f a n d f' a r e d i f f e r e n t i a b l e n e a r x = c, a n d i f f'' (c) i s n e g a t i v e, t h e n f h a s a l o c a l m a x i m u m a t x = c .$

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1Step 1. Given Information.

2Step 2. Theorem

Q. 91

Q. 92

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