Question

qual valor x?
$( \frac{1}{81} ) {}^{2x} = \frac{1}{27} =$

Answer 1

(1/81)^2x= 1/27

(1/3⁴)^2x=1/3³

(3-⁴)^2x= 3-³

3^ -8x= 3-³

-8x= -3

x= -3/-8

x= +3/8

S={3/8}