Partial Derivative
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Clairaut's Theorem
Let f(x, y) be defined on an open disk D that contains the point (x
0
, y
0
).
If the partial derivatives f
xy
and f
yx
are both continuous on D, then f
xy
(x
0
, y
0
) = f
yx
(x
0
, y
0
).
You can define functions using these operators:
+
-
*
/
^
abs( )
sqrt( )
ln( )
exp( )
pi
sin( )
cos( )
tan( )
asin( )
acos( )
atan( )