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Byju's Answer
Standard XII
Mathematics
Implicit Differentiation
If x4+7 x2 y2...
Question
If
x
4
+
7
x
2
y
2
+
9
y
4
=
24
x
y
3
~
t
h
e
n
d
y
d
x
=
A
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B
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C
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D
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Solution
The correct option is
B
x
4
+
7
x
2
y
2
+
9
y
4
=
24
x
y
3
ā
1
+
7
(
y
x
)
2
+
9
(
y
x
)
4
=
24
(
y
x
)
3
ā
y
x
1
=
0
ā
y
1
=
y
x