Question

Помогите решить 2 уравнения

Answer 1

log 3 (x+2) = 2
ОДЗ: x+2 > 0, x > -2
log 3 (x+2) = log3 3^2
x+2 = 9
x = 9-2
x = 7
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3^(3x^3 - 1) = 9
3^(3x^3 - 1) = 3^2
3x^3 - 1 = 2
3x^3 - 1 - 2 = 0
3x^3 - 3 = 0
x^3 - 1 = 0
x^3 = 1 
x = 1