Question

Найдите корень уравнения (1/64 ) в степени 0,5х-1=8

Answer 1

(2^-6)^0,5x-1=2³
2^(-3x+6)=2³
-3x+6=3
-3x=-3
x=1

Answer 2

- 3X + 6 = 3 ==> - 3X = - 3 ==> X = 1

Answer 3

1/64 ^ ( 0,5x - 1 ) = 8
( 8 ^ - 2 ) ^ ( 0,5x - 1 ) = 8 ^ 1
- 2•( 0,5x - 1 ) = 1
- X + 2 = 1
- X = - 1
X = 1