Question

Solve this question ​

Answer 1

Answer:

$\frac{(a - b)(b + a)}{{a}^{2} }$

Step-by-step explanation:

$\frac{(1 - \frac{b}{a} \times \frac{b}{a - b} (1 + \frac{a}{b} ) \times \frac{a}{a - b} }{( \frac{a}{b} - 1) \times \frac{b}{a - b} ( \frac{b}{a - b} + 1) \times \frac{a}{a - b}}$