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Byju's Answer
Standard XII
Mathematics
Chain Rule of Differentiation
For x > 1 ,...
Question
For
x
>
1
,
if
(
2
x
)
2
y
=
4
e
2
x
−
2
y
,
then
(
1
+
log
e
2
x
)
2
d
y
d
x
is equal to :
A
log
e
2
x
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B
x
log
e
2
x
+
log
e
2
x
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C
x
log
e
2
x
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D
x
log
e
2
x
−
log
e
2
x
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Solution
The correct option is
D
x
log
e
2
x
−
log
e
2
x
(
2
x
)
2
y
=
4
e
2
x
−
2
y
2
y
ln
2
x
=
ln
4
+
2
x
−
2
y
y
=
x
+
ln
2
1
+
ln
2
x
y
′
=
(
1
+
ln
2
x
)
−
(
x
+
ln
2
)
1
x
(
1
+
ln
2
x
)
2
y
′
(
1
+
ln
2
x
)
2
=
[
x
ln
2
x
−
ln
2
x
]
Suggest Corrections
0
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Find the number of solutions greater than zero .
Q.
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for
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is equal to :
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