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AP EAMCET2001MathematicsQuadratic Equation

If 1 is a multiple root of order 3 for the equation x^4-2 x^3+2 x-1=0 , then the other root is

Options

  1. A0
  2. B-1
  3. C1
  4. D2

Correct answer

B. -1

Step-by-step solution

Given that, x^4-2 x^3+2 x-1=0 Put x=-1 , 1+2-2-1=0 Therefore, -1 is also the root of the equation.

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