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Derivatives
hard
0:00.0
Find the second derivative of
f
(
x
)
=
e
−
x
2
f(x) = e^{-x^2}
f
(
x
)
=
e
−
x
2
at
x
=
0
x=0
x
=
0
.
A
0
0
0
B
−
2
-2
−
2
C
2
2
2
D
1
1
1
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