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5. Continuity And Differentiability
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Q99 of 107 Page 107

Fill in the blanks in each of the

If f(x) = |cos x|, then f’ ______.

We have, f(x) = |cos x|


For , cos x > 0


∴ f(x) = cos x


⇒ f’(x) = -sin x


⇒


Hence,


More from this chapter

All 107 →
97

Fill in the blanks in each of the

An example of a function which is continuous everywhere but fails to be differentiable exactly at two points is _______.

98

Fill in the blanks in each of the

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

100

Fill in the blanks in each of the

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

101

Fill in the blanks in each of the

For the curve is _______.

Questions · 107
5. Continuity And Differentiability
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