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CBSE Class 12 Math 2026 All Sets Solved Paper

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Question : 11 of 20
Marks: +1, -0
The integrating factor of differential equation R  dxdy+Px=QR\;\frac{d x}{d y}+P x=Q where P, Q, R are functions of y is
Solution:  
R  dxdy+Px=QR\;\frac{d x}{d y}+P x=Q
  dxdy+PRx=  QR\;\frac{d x}{d y}+\frac{P R}{x}=\;\frac{Q}{R}
I.F=e∫  PRdyI.F =e \int\;\frac{P R}{d} y.
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