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Grade: 12th pass 
        
Solve the diffrential equation (2x- y + 1)dx + (2y - x - 1) dy = 0.
one year ago

Answers : (1)

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Aditya Gupta
1716 Points 
							
So we can write it as 2xdx+dx+2ydy-dy= xdy+ydx
But d(xy)= xdy+ydx
So 2xdx+dx+2ydy-dy= dxy
Integrate both sides
x^2+x+y^2-y= xy+C
one year ago
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