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NDA 2014
Exam
NDA
Year
2014
Subject
Mathematics
Chapter
Differential Equations

NDA 2014 · Mathematics · Differential Equations

Paragraph : The general solution of the differential equation...

Paragraph : The general solution of the differential equation (x2+x+1)dy+(y2+y+1)dx=0\left(x^2+x+1\right) d y+\left(y^2+y+1\right) d x=0 is (x+y+1)=A(1+Bx+Cy+Dxy)(x+y+1)=A(1+B x+C y+D x y) where B,CandDB, C and D are constants and AA is parameter.
Question : What is D equal to?

Options

  1. A-1
  2. B1
  3. C2
  4. DNone of the above

Correct answer

C. 2

Step-by-step solution

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