Question
Solve for X in
(Log X)-6Log X+9=0
³ ³
(Log X)-6Log X+9=0
³ ³
Answers
Wisdom
Solve for X in (log base 3 X)²-6log base 3 X+9=0
Steve
if you let u=log_3(x) then you have
u^2-6u+9 = 0
(u-3)^2 = 0
u = 3
so,
log_3(x) = 3
x = 27
u^2-6u+9 = 0
(u-3)^2 = 0
u = 3
so,
log_3(x) = 3
x = 27