Question

2 log^11 x=log2^11 x-3 помогите срочно

Answer 1

log₁₁x = t
2t = t² - 3
t² - 2t - 3 = 0
по т. Виета
t₁ = -1   и  t₂ = 3
a) t= -1
log₁₁x = -1
x = 11⁻¹ = 1/11
б) t = 3
log₁₁x = 3
x = 11³ = 1331