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Question Number 212050 by Spillover last updated on 28/Sep/24

Answered by Ghisom last updated on 28/Sep/24

$$\int \frac{x}{\sqrt{(x^2+1)(1+\sqrt{x^2+1})}}dx=$$$$[t=2\sqrt{1+\sqrt{x^2+1}}]$$$$=\int dt=t=$$$$=2\sqrt{1+\sqrt{x^2+1}}+C$$

Commented by Spillover last updated on 28/Sep/24

$$great.thanks$$

Answered by Spillover last updated on 28/Sep/24

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