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COMEDK2017MathematicsQuadratic Equation

Let , be the roots of the equation a x²+b x+c=0 . A root of the equation a³ x²+a b c x+c³=0 is

Options

  1. A+
  2. B²+
  3. C²-
  4. D²

Correct answer

D. ²

Step-by-step solution

We have, a³ x²+a b c x+c³=0 aligned & x²+ b a c a x+ ( c a )³=0 & x²-( + ) x+ ³ ³=0 & x= ² , ² ² is one of the root. aligned

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