Question

Exercício:

a-log4x=2

b-log3x=-2

c-log81x=¼
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Answer 1

a-log4 x=2

x= 4² = 16

b-log3 x=-2

x= 3-² = 1/3² = 1/9

c-log81 x=¼

x = 81¹/⁴ = ⁴√81 = ⁴√3⁴ = 3