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Mathematics
Mathematics
Problem
Find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
, if
y
=
cos
−
1
(
2
x
1
+
x
2
)
y = \cos^{-1}\left(\frac{2x}{1+x^2}\right)
y
=
cos
−
1
(
1
+
x
2
2
x
)
,
0
<
x
<
1
0 < x < 1
0
<
x
<
1
.
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