Log√5 (1-4x)=4 log 3/4 3x^2=-1
1. Д(у): 1-4х>0 4x<1<br> x<1/4<br>1-4x=(√5)^4 1-4x=25 4x=-24 x=-6 2. 3x^2=(3/4)^(-1) 3x^2=4/3 x^2=4/9 x=2/3 x=-2/3