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NDA2010MathematicsQuadratic EquationActual

If p and q are positive integers, then which one of the following equations has p- q as one of its roots?

Options

  1. Ax^2-2 p x- (p^2-q )=0
  2. Bx^2-2 p x+ (p^3-q )=0
  3. Cx^2+2 p x- (p^2-q )=0
  4. Dx^2+2 p x+ (p^2-q )=0

Correct answer

B. x^2-2 p x+ (p^3-q )=0

Step-by-step solution

The correct answer is option (B).

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