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Mathematics
Mathematics
Problem
Solve
(
1
+
x
2
)
d
y
d
x
+
y
=
tan
−
1
x
(1+x^2)\frac{dy}{dx} + y = \tan^{-1} x
(
1
+
x
2
)
d
x
d
y
+
y
=
tan
−
1
x
.
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