Find {d^{2}}/{dx^{2}}(\tan ^{−1}⁡x)

Correct Answer is : −2x(1+x22undefined.

{−2x}/{(1 + x^{2}2^{undefined}.}

{−2}/{(1 + x^{2}2^{undefined}.}

{−1}/{(1 + x^{2}2^{undefined}.}

{2x}/{(1 + x^{2}2^{undefined}.}

Agniveer Vayu or IAF Group X 6 Nov 2020 Paper

Question : 49 of 75

Marks: +1, -0

Find ‌

dx2

(tan−1⁡x)

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