Question

Tolong bantu yaa pake cara
nilai x yang memenuhi persamaan:

adalah....

Answer 1

Verified answer

Jawab

misalkan ˣlog 2 = a
maka ²log x = 1/a






3a = -1/a + 4 ..}kalikan a
3a² = -1 + 4a
3a²  -  4a + 1= 0
(3a -  1)(a - 1) = 0
a=  1/3  atau a =  1

²log x = 1/a
x = (2)^(1/a)
a = 1/3 → x= (2)³ = 8
a = 1 → x = (2)¹ = 2