Question

Usando a definição calcule
㏒₂/₃ 8/27
㏒₂ 0,25
㏒₇7
㏒₄1

Answer 1

㏒₂/₃ 8/27

(2/3)^x = 8/27

(2/3)^x = (2/3)³ ==> x=3

㏒₂ 0,25

2^x = 0,25

2^x = 1/4

2^x = 2^-2 ==> x= -2

㏒₇7

7^× = 7^1 ==> x=1

㏒₄1

4^x =1

4^x = 4⁰ ===> x=0