1.

If y=tan−1(11+x+x2)+tan−1(1x2+3x+3)+tan−1(1x2+5x+7)+....+ up to n terms. Then y’(0) is equal to

Answer»

If y=tan1(11+x+x2)+tan1(1x2+3x+3)+tan1(1x2+5x+7)+....+ up to n terms. Then y’(0) is equal to



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