Lopez

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Lv 5

發問 0 回答 556

2015-09-01 6:08 pm

Find parametric equation: Intersection curve of two surfaces x+2y−z=2 and 2x−y+3z=1.? (If you set x=t, how are related x and y with t?)?

2015-09-02 9:46 am

Finding the differential equation, given a solution?

2015-09-02 4:25 am

Composite function?

2015-08-31 9:58 am

How do I solve this D.E. using integrating factor: y(8x-9y)dx + 2x(x-3y)dy= 0 ans:x^3(2x-3y)y=c but solution is missing? tnx?

2015-08-31 9:52 am

How do I solve this D.E. using integrating factor: 2y(x^2 - y+x)dx + (x^2 -2y)dy = 0 the answer is actually (x^2 y-y)e^(2x) sol'n missing.?

2015-08-31 10:00 am

How do I solve this D.E. using integrating factor: y^2 dx+(3xy+y^2 -1)dy=0 ans:xy^3 +(y^2 -1)^2 /4=c but sol'n missing. tnx.?

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