Question

√36a^10/49b^2 якщо a < 0 b < 0

Answer 1

Якщо a < 0, b < 0, то

$\sqrt{ \frac{36 {a}^{10} }{49 {b}^{2} } } = \frac{6}{7} \times \frac{| {a}^{5} | }{ |b| } = \frac{6}{7} \times \frac{ - {a}^{5} }{ - b } = \frac{6 {a}^{5} }{7b}$