Mathematics

$$\displaystyle \int \dfrac{ dx}{\sqrt{1 + x}}$$


SOLUTION
$$\displaystyle \int \dfrac{dx}{\sqrt{1 + x}}\\t=1+x\\dx=dt\\\displaystyle \int \dfrac{dt}{\sqrt t}=2\sqrt t\\2\sqrt{1+x}+c$$
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Subjective Medium Published on 17th 09, 2020
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