Question

According to indical equation solve 3×=1\81

Answer 1

x = - 4

Explanation:

using the rule of indices

`(1)/(a^(n) )` =
`a^(-n)` , then

`3^(x)` =
`(1)/(81)` =
`(1)/(3^(4) )` =
`3^(-4)` , that is

`3^(x)` =
`3^(-4)` , thus

x = - 4