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AP EAMCET2009MathematicsFunctions

x R: 2 x-1 x^3+4 x^2+3 x R equals

Options

  1. AR- 0
  2. BR- 0,1,3
  3. CR- 0,-1,-3
  4. DR- 0,-1,-3,+ 1 2

Correct answer

C. R- 0,-1,-3

Step-by-step solution

aligned & Let A= x R: 2 x-1 x^3+4 x^2+3 x & Now, x^3+4 x^2+3 x=x (x^2+4 x+3 ) & =x(x+3)(x+1) & A=R- 0,-1,-3 & aligned

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