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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

If + ^2 , + ^2 are the roots of x^2 + 2bx + c = 0 and + ^4 , + ^4 are the roots of x^2 + 2Bx + C = 0 , then:

Options

  1. Ab-B=c-C
  2. Bb^2-B^2=c-C
  3. Cb^2-B^2=4(c-C)
  4. D4(b^2-B^2)=c-C .

Correct answer

B. b^2-B^2=c-C

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