Question

Qual o valor de x? log (1/2) 32 = x
) *
( ) 16
( )64
( )-5
( )-15​

Answer 1

Resposta:

x= -5

Explicação passo-a-passo:

log₁/₂ 32=x

(1/2)ˣ=32

32|2

16|2

8|2

4|2

2|2

1

32=2.2.2.2.2=2⁵

(1/2)ˣ=32

(1/2)ˣ=2⁵

(2⁻¹)ˣ=2⁵

2⁻ˣ=2⁵

-x=5     ×(-1)

x= -5