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find the eccentricity of the ellipse 3x2+4y2=12 ...
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find the foci and directrices of the ellipse 25x2+16y2=400 ...
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find the focal distance of a point P(π/3) on the ellipse 3x2+4y2=12 ...
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find the solution of sinydy/dx-2cosy/x=-1/x2 ...
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find the solution of cotydy/dx+xlnsiny=x ...
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sec2ydy/dx+tanycotx=cosx ...
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find the solution of dy/dx+y/x=xy4 ...
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find the solution of 4dy/dx+8y=5e-3x ...
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find the solution of dy/dx+ycotx=cosx ...
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find the solution of dy/dx+y/x=x3 ...
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find the solution of dy/dx+xy=x ...
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find the solution of dy/dx+y=ex ...
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find the solution of dy/dx+y=cosx ...
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find the solution of secx(dy/dx)+y=y2 ...
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find the solution of (x-xy)dy=ydx ...
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secxsecy=-cosecxcosecy(dy/dx) ...
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find the solution of 3extany+(1-ex)sec2y(dy/dx)=0 ...
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find the solution of xdx/(1+x2)=ydy/(1+y2) ...
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find the solution of x(dy/dx)+y=x ...
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find the solution of x2(dy/dx)=x2+5xy+4y2 ...
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find the solution of (3xy+y2)dx+(x2+xy)dy=0 ...
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find the solution of (x+y)(dy/dx)+y-x=0 ...
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form the differentiol eqn. of the family of curves y2-2my+x2-m2=0 ...
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form the differentiol eqn. of the family of curves y=e2x(A+Bx) ...
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form the differentiol eqn. of the family of curves y=Acos(x+B) ...
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form the differentiol eqn. of the family of curves y=c(x-c)2 ...
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form the differentiol eqn. of the family of curves y=AeBx ...
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form the differentiol eqn. of the family of curves y=ae2x+be-x ...
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form the differentiol eqn. of the family of curves y=Ax+B/x ...
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form the differentiol eqn. of the family of curves y=Acosx-Bsinx ...
asked2009-04-15 21:12:44