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Byju's Answer
Standard IX
Mathematics
Factor Theorem
If 815 ÷ 32...
Question
If
(
81
)
5
÷
(
3
2
)
5
=
3
k
then value of
k
is __.
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Solution
Given,
(
81
)
5
÷
(
3
2
)
5
We can write 81 as
3
4
So,
(
3
4
)
5
÷
(
3
2
)
5
=
(
3
)
20
÷
3
10
.... {as
(
a
m
)
n
=
a
m
n
}
=
(
3
)
20
−
10
.....
{as
a
m
÷
a
n
=
a
m
−
n
}
=
(
3
)
10
Comparing it with
3
k
,
The value of
k
is
10
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0
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