Question

Se (2 Raiz de 2)^x = 64, o valor de log 1/8 x é

Answer 1

√2^x = 64
2^x/2 = 2^8
x/2 = 8 =======> x=16

log 1/8 16 = y
log (1/8)^y = 16
(1/2)^3y = (1/2)^-4
3y = -4
y = -4/3 ✓