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Byju's Answer
Standard IX
Mathematics
Laws of Exponents for Real Numbers
If 2x × 4x ...
Question
If
2
x
×
4
x
=
(
8
)
1
3
×
(
32
)
1
5
then, find the value of
x
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Solution
We have,
2
x
×
4
x
=
(
8
)
1
3
×
(
32
)
1
5
2
x
×
(
2
2
)
x
=
(
(
2
3
)
)
1
3
×
(
2
5
)
1
5
2
x
×
2
2
x
=
2
×
2
2
x
+
2
x
=
2
2
2
3
x
=
2
2
On comparing both sides, we get
3
x
=
2
x
=
2
3
Hence, this is the answer.
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3
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