Question

решите логарифмические уравнения lgx+lgx2+lgx3=6

Answer 1

lgx + lgx^2 + lgx^3 = 6 
lgx + 2lgx + 3lgx = 6
lgx (1 + 2+ 3) = 6
lgx *6 = 6 
lgx = 1
log10(x) = 1
x = 10^1
x = 10

Ответ
10