find 'x' if 2log5+1/2 log 9- log 3 = log x
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→ Answer :
x = 25
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0
Answer:
The given equation is
2\log 5+\frac{1}{2}\log 9-\log 3 =\log x2log5+
2
1
log9−log3=logx
We need to find the value of x.
Using power property of logarithm, the given equation can be rewritten as
\log 5^2+\log 9^{\frac{1}{2}}-\log 3 =\log xlog5
2
+log9
2
1
−log3=logx [\because \log_a x^n=n\log_a x][∵log
a
x
n
=nlog
a
x]
\log 25+\log 3-\log 3 =\log xlog25+log3−log3=logx
\log 25 =\log xlog25=logx
On comparing both sides we get
x=25
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