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Byju's Answer
Standard VII
Mathematics
a^m x b^m = (ab)^m
Simplify 2-5×...
Question
Simplify
2
−
5
×
−
5
−
5
.
A
−
10
5
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B
10
10
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C
−
2
7
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D
−
10
−
5
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Solution
The correct option is
D
−
10
−
5
We know, for non-zero integers 'a' and 'b' and any integer 'm',
a
m
×
b
m
=
(
a
×
b
)
m
Comparing the given expression
2
−
5
×
−
5
−
5
with the LHS of the above equation, we have
a = 2, b = -5 and m = -5.
∴
2
−
5
×
−
5
−
5
=
(
2
×
−
5
)
−
5
=
−
10
−
5
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0
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a^m x b^m = (ab)^m
Standard VII Mathematics
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