Question

(81 a4 b8 c-4)1/4
please do it as fast as u can....​

Answer 1

$(81 {a}^{4} {b}^{8} {c}^{ - 4} ) {}^{ \frac{1}{4} } \\ = ( {3}^{4} \times {a}^{4} {b}^{8} {c}^{ - 4} ) {}^{ \frac{1}{4} } \\ = (3a {b}^{2} {c}^{ - 1}) {}^{4 \times \frac{1}{4} } \\ = (3a {b}^{2} {c}^{ - 1}) \\ = (\frac{3a {b}^{2}}{c} )$