Prove that: x^2+a^2 d x=x 2 x^2+a^2+a^2 2 |x+x^2+a^2 |+c . - Vidyadip

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Prove that: $\int \sqrt{x^2+a^2} \cdot d x=\frac{x}{2} \sqrt{x^2+a^2}+\frac{a^2}{2} \log \left|x+\sqrt{x^2+a^2}\right|+c$ .

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