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Black Book Advanced Problems in MathematicsMathematicsApplication of Derivatives

If x^5 - 5qx + 4r is divisible by (x - c)^2 then which of the following must hold true q, r, c R ?

Options

  1. Aq = r
  2. Bq + r = 0
  3. Cq^5 = r^4
  4. Dq^4 = r^5

Correct answer

C. q^5 = r^4

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