Solved papers for JEE Main & Advanced JEE Main Paper (Held On 10 April 2015)

done JEE Main Paper (Held On 10 April 2015) Total Questions - 2

• question_answer1) If Rolle's theorem holds for the function \[f(x)=2{{x}^{3}}+b{{x}^{2}}+cx,x\in [-1,1],\]at the point \[x=\frac{1}{2},\]then 2b +c equals    JEE Main Online Paper (Held On 10 April 2015)
  A)
   2
  done clear
  B)
  - 1
  done clear
  C)
   -3
  done clear
  D)
   1
  done clear
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• question_answer2) The distance, from the origin, of the normal to the curve, \[x=2\cos t+2t\sin t,\]\[y=2\sin t-2t\cos t\]at\[t=\frac{\pi }{4},\]is: JEE Main Online Paper (Held On 10 April 2015)
  A)
   2                                            
  done clear
  B)
  \[\sqrt{2}\]
  done clear
  C)
  \[2\sqrt{2}\]                                      
  done clear
  D)
   4
  done clear
  View Answer play_arrow