[10000印刷√] y(2x^2-xy 1)dx (x-y)dy=0 195475-Y(2x^2-xy+1)dx+(x-y)dy=0 nyosspixjbog

The equation can be written as M(x,y)dx N(x,y)dy = 0 with M = x^2 y^2 1 , N = x^2 2xyThis is not exact because M_y = 2y # N_x = 2(x y) Howev...

(x-2)^2 (y 1)^2=9 graph 171328-Which graph most closely represents (x+2)2+(y+1)2=9 nyosspixjbog

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