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Standard IX
Mathematics
Laws of Exponents for Real Numbers
Question
By what number should
(
−
2
3
)
−
3
be divided so that the quotient may be
(
4
27
)
−
2
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Solution
Verified by Toppr
Let the number be
x
(
−
2
3
)
−
3
x
=
(
4
27
)
−
2
⇒
(
−
3
2
)
3
x
=
(
27
4
)
2
⇒
x
=
(
−
3
2
)
3
(
27
4
)
2
⇒
x
=
(
−
27
8
)
(
27
2
16
)
⇒
x
=
−
2
27
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