Question

log5 (x)*log3 (x)=9log5 (3)

Answer 1

ОДЗ x>0
log(3)x=9log(5)3/log(5)x
log(3)x=9log(x)3
log(3)x=9/log(3)x
log²(3)(x)=9
log²(3)x-9=0
(log(3)x-3)(log(3)x+3)=0
log(3)x=-3;x=1/27 U log(3)x=3;x=27

Answer 2

log(3)x=-3;x=1/27 U log(3)x=3;x=27

Answer 3

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