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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

Let , be the roots of x^2 - 4x + A = 0 and , be the roots of x^2 - 36x + B = 0 . If , , , form an increasing G.P. and A^t = B then the value of 't' equals

Options

  1. A4
  2. B5
  3. C6
  4. D8.

Correct answer

B. 5

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