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Mathematics
Problem
Find
d
2
y
d
x
2
\dfrac{d^{2}y}{dx^{2}}
d
x
2
d
2
y
if
y
=
ln
(
(
1
+
x
2
)
7
)
y=\ln\bigl((1+x^{2})^{7}\bigr)
y
=
ln
(
(
1
+
x
2
)
7
)
. Simplify your answer.
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