Photos 2 DX DY

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2 dx dy. X2+4)dy−DX=0. (1+У)DX=(X-1)dy. Dy/y=DX/X-1. (1+Х)DX = (1+Y) dy y = 1 x = 1.
X2+4)dy−DX=0. (1+У)DX=(X-1)dy. Dy/y=DX/X-1. (1+Х)DX = (1+Y) dy y = 1 x = 1.

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