Question

plese answer to this question
class -9th
subject - maths
lesson -polynomial​

Answer 1

$question = 125 {a}^{3} - \frac{1}{ {b}^{3} } . \\ solution. \\ \\ = 125 {a}^{3} - \frac{1}{ {b}^{3} } \\ \\ =( 5a) {}^{3} - ( \frac{1}{b} ) {}^{3} \: \: \: \alpha nswer...$