Question

Formula of integration of under root (a square + x square) dx

Answer 1

Please find the attached file.

Answer 2

Step-by-step explanation:

x/2

$\frac{x}{2} \sqrt{ {x }^{2} + {a}^{2} + \frac{ {a}^{2} }{2}log{x + \sqrt{ {x}^{2} + {a}^{2} } + c$