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Mathematics
Mathematics
Problem
Find
d
y
d
x
\frac{dy}{dx}
d
x
d
y
, if
y
=
cos
−
1
x
2
2
x
+
7
y = \frac{\cos^{-1} \frac{x}{2}}{\sqrt{2x+7}}
y
=
2
x
+
7
c
o
s
−
1
2
x
,
−
2
<
x
<
2
-2 < x < 2
−
2
<
x
<
2
.
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