Question

Calcule o valor de x

A) log5 X=4/3
B)logx8= 2
C)logx 5=1/2

Answer 1

A) log5 X=4/3

 x = 5^4/3  ==> x = ∛5^4 ==> x = ∛5³.5 ==> x= 5∛5

B)logx8= 2
 
x² = 8 ==> x = √8 ==> x= √2².2 ==> x = 2√2

C)logx 5=1/2 ==> x^1/2 = 5 ==> x = √5