Q. 1003.7( 3 Votes )

Fill in the blanks in each of the

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

Answer :

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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