Question

Prove that (1-x-y-2xy) = K( x+y+1) is the general solution of the differential equation

(x2 + x + 1) dy + (y2 + y+ 1)dx= 0, where k is parameter. awa
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Answer 1

Answer:

Prove that x

2

−y

2

=c(x

2

+y

2

)

2

is the general solution of differential equation (x

3

−3xy

2

)dx=(y

3

−3x

2

y)dy, where c is a parameter.