The general solution of the differential equation (x² + x + 1) dy + (y² + y + 1) dx = 0 is (x + y + 1) = A(1 + Bx + Cy + Dxy) where B, C and D are constants and A is parameter.
What is D equal to?
Mathematics
2014
NDA Mathematics 2014
NDA 2014
Options
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