2 log (x+5)= log 36 then x= ?
Answers
Answered by
16
Que :- log (x+5)= log 36 then x = ?
Ans :- 2logx = log(x²)
So, log(x²) = log36
Therefore, x² = 36
x = ±6
If x = -6, then 2logx is undefined.
So, x = 6
Answered by
0
answer:
x=67
explaination:
- 2log(x+5)=log36
- log(x+5)/2=log36
- cancel log on both sides
- (x+5)/2=36
- x+5=36×2
- x+5=72
- x=72-5
- x=67
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