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Byju's Answer
Standard VII
Mathematics
Power Rule of Exponents
The value of ...
Question
The value of
(
(
3
2
)
−
1
)
−
2
is
.
A
4
9
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B
−
4
9
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C
−
9
4
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D
9
4
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Solution
The correct option is
D
9
4
We have
(
a
m
)
n
=
a
m
n
for a non-zero integer
a
and any integers
m
and
n
.
⟹
(
(
3
2
)
−
1
)
−
2
=
(
3
2
)
−
1
×
−
2
=
(
3
2
)
2
=
9
4
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