Question

$frac{ab^{2} }{ c^{2} } * frac{ c^{2} }{ab}$

Answer 1

$frac{ab^{2} }{ c^{2} } * frac{ c^{2} }{ab} = frac{ab^{2} }{ab} * frac{ c^{2}}{ c^{2}} =b$