Question

plzz answer this question

Answer 1

$\:\: \underline{\underline{\bf{\large\mathfrak{~~Solution~~}}}}$

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

therefore answer is option(1)=ab