Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2014)

done JEE Main Paper (Held On 9 April 2014) Total Questions - 1

• question_answer1) If the Rolle's theorem holds for the function\[f(x)=2{{x}^{3}}+a{{x}^{2}}+bx\] in the interval [-1, 1] for the point\[c=\frac{1}{2},\]then the value of 2a + b is:   [JEE Main Online Paper ( Held On 09 Apirl  2014  )
  A)
  \[1\]                                            
  done clear
  B)
  \[-1\]
  done clear
  C)
  \[2\]                                            
  done clear
  D)
  \[- 2\]
  done clear
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