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Partial Derivatives
Functions of several variables, partial derivatives, the chain rule, gradients, and optimization with Lagrange multipliers.
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If
f
(
x
,
y
)
=
x
2
y
−
3
y
f(x,y) = x^{2} y - 3y
f
(
x
,
y
)
=
x
2
y
−
3
y
,
evaluate
f
(
2
,
−
1
)
f(2,-1)
f
(
2
,
−
1
)
.
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x
y
f
( )
x
n
√
⌫
AC
7
8
9
+
4
5
6
−
1
2
3
×
0
.
a
b
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