Question

(^7√9)^x= 1/81
Нужно найти x.

Answer 1

( ^ 7 V 9 ) ^ x = 1/81
( 9 ^ 1/7 ) ^ x = 1/81
9 ^ 1/7x = 9 ^ - 2
1/7x = - 2
X = - 2 : ( 1/7 )
X = - 14