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Byju's Answer
Standard XII
Mathematics
Parametric Differentiation
cos1 y/b =2lo...
Question
c
o
s
1
(
y
b
)
=
2
l
o
g
(
x
2
)
,
x
>
0
⇒
x
2
d
2
y
d
x
2
+
x
d
y
d
x
=
A
4y
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B
-4y
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C
0
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D
-8y
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Solution
The correct option is
B
-4y
Differentiaite wrt x twice
x
2
y
11
+
x
y
1
=
−
4
y
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0
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