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OpenStudy (anonymous):
secondary derivative of f(x,y)= 3xy how do you find fxy?
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OpenStudy (amistre64):
teh first derivative is what.. f'{1}(x,y) = 3y f'{2}(x,y) = 3x 0 = 3xy - z f'(x,y) = 3y +3x -1... is that right ?
OpenStudy (anonymous):
absolutely correct amistres
OpenStudy (amistre64):
yay!!..now if only I can figure out what I did lol
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