B04. = x. z = z 2 z 1 = z(x 2,x 2 ) z(x 1,y 1 ) (x2,y 2 ) (x 1,y 1 )

1 ÞÜݻݺ s.1 z= z(x,y dz= ( z x y dx+ ( z y x dy ½º Ð ØÓÔ Ù ¾&fr...
Author:  Pavel Pešan

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