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Byju's Answer
Standard IX
Mathematics
Property 3
If m = log 20...
Question
If
m
=
l
o
g
20
and
n
=
l
o
g
25
, find the value of x, so that :
2
l
o
g
(
x
−
4
)
=
2
m
−
n
.
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Solution
m=log 20 and n=log 25
2log
=2m-n
2log
=2log 20-log 25
log
=log
-log25
log
=log
=
x-4=4
x=8
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