Maths-
General
Easy

Question

Set of values of x satisfying the inequality fraction numerator left parenthesis x minus 3 right parenthesis squared left parenthesis 2 x plus 5 right parenthesis squared left parenthesis x minus 7 right parenthesis over denominator open parentheses x squared plus x plus 1 close parentheses left parenthesis 3 x plus 6 right parenthesis squared end fraction less or equal than 0 is left square bracket a comma b right parenthesis union left parenthesis b comma c right square bracket then 2a + b + c is equal to

  1. 0    
  2. 2    
  3. 5    
  4. 7    

The correct answer is: 0

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