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Multivariable & Vector
easy
0:00.0
Find
f
x
x
f_{xx}
f
xx
for
f
(
x
,
y
)
=
x
4
f(x, y) = x^4
f
(
x
,
y
)
=
x
4
.
A
4
x
3
4x^3
4
x
3
B
12
x
2
12x^2
12
x
2
C
x
2
x^2
x
2
D
4
x
4x
4
x
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