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Byju's Answer
Standard XII
Mathematics
Properties with Negative X
If y=tan-13...
Question
If
y
=
tan
−
1
3
x
−
x
3
1
−
3
x
2
then find
d
y
d
x
.
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Solution
Given,
y
=
tan
−
1
3
x
−
x
3
1
−
3
x
2
.
We have a direct formula for the inverse trigonometric function as
tan
−
1
3
x
−
x
3
1
−
3
x
2
=
3
tan
−
1
x
.
So,
y
=
tan
−
1
3
x
−
x
3
1
−
3
x
2
=
3
tan
−
1
x
Then
d
y
d
x
=
3
1
+
x
2
.
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0
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Q.
If
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(
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−
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Q.
Find
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Given:
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Q.
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=
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)
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