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If y=|cosx|+|sinx|,t h e n(dy)/(dx)a tx=...

If `y=|cosx|+|sinx|,t h e n(dy)/(dx)a tx=(2pi)/3` is `(1-sqrt(3))/2` (b) 0 (c) `1/2(sqrt(3)-1)` (d) none of these

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