Q100 of 107 Page 107

Fill in the blanks in each of the

If f(x) = |cosx – sinx|, then f’ ____.

We have, f(x) = | cosx – sinx|


For , sin x > cos x


∴ f(x) = sin x - cos x


⇒ f’(x) = cos x – (-sin x) = cos x + sin x


⇒


Hence,


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98

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Derivative of x2 w.r.t. x3 is _______.

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Fill in the blanks in each of the

If f(x) = |cos x|, then f’ ______.

 101

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For the curve is _______.

 102

State True or False for the statements

Rolle’s theorem is applicable for the function f(x) = |x – 1| in [0, 2].