Question

решение логарифма log3 x+log3 (x-2)=-1

Answer 1

log3 (x*(x-2))=log3 1/3
x²-2x=1/3
3x²-6x-1=0
D=36+12=48
x1=(6-4√3)/6=(3-2√3)/3
x2=(6+4√3)/6=(3+2√3)/3