Question

definite integral
solve que 44

Answer 1

$\int^{a}_{0} \frac{dx}{ax + a^{2} - x^{2}} \\ = (\frac{x}{ax} + \frac{x}{a^{2}} - \frac{x}{x^{2} + C })|^{a}_{0} \\ = \frac{1}{a} + \frac{1}{a} - \frac{1}{a} \\ = \frac{1}{a}$