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What answer for this sum in differentiate with respect to x

What answer for this sum in differentiate with respect to x

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Grade:12th pass

2 Answers

Kumar
37 Points
7 years ago
What answer for this sum in differentiate with respect to x ??????
In complete question.... because you write sum, what is mean of sum.
rishabh
30 Points
7 years ago
Substitute x= tan(z) in the question then after using identity of cos(2z) u will get the given function as 2∆ I.e. 2*arctan(x) and its differentiation is 2/(1+ x^2)...hope it helps

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