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((12*x-(11*y))*(10*x-(11*y)))'The calculation above is a derivative of the function f (x)
(12*x-(11*y))'*(10*x-(11*y))+(12*x-(11*y))*(10*x-(11*y))'
((12*x)'+(-(11*y))')*(10*x-(11*y))+(12*x-(11*y))*(10*x-(11*y))'
(12*(x)'+(-(11*y))'+(12)'*x)*(10*x-(11*y))+(12*x-(11*y))*(10*x-(11*y))'
(12*(x)'+(-(11*y))'+0*x)*(10*x-(11*y))+(12*x-(11*y))*(10*x-(11*y))'
((-(11*y))'+0*x+12*1)*(10*x-(11*y))+(12*x-(11*y))*(10*x-(11*y))'
12*(10*x-(11*y))+(12*x-(11*y))*(10*x-(11*y))'
12*(10*x-(11*y))+(12*x-(11*y))*((10*x)'+(-(11*y))')
12*(10*x-(11*y))+(12*x-(11*y))*(10*(x)'+(-(11*y))'+(10)'*x)
12*(10*x-(11*y))+(12*x-(11*y))*(10*(x)'+(-(11*y))'+0*x)
12*(10*x-(11*y))+(12*x-(11*y))*((-(11*y))'+0*x+10*1)
12*(10*x-(11*y))+(12*x-(11*y))*10
12*(10*x-(11*y))+10*(12*x-(11*y))
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