Solved papers for JEE Main & Advanced JEE Main Paper (Held On 25 April 2013)

done JEE Main Paper (Held On 25 April 2013) Total Questions - 1

• question_answer1)                 Let f: \[\left[ -2,3 \right]\to \left[ 8,\infty  \right]\]be a continuous function such that \[f(1-x)=f(x)\] for all \[x\in [-1,3].\]                 If \[{{\operatorname{R}}_{1}}\]is the numerical value of the area of the region bounded by \[y=f(x),x=-2\], \[x=3\]and          the axis of \[x\] and\[{{R}_{2}}=\int\limits_{-2}^{3}{xf(x)\operatorname{d}x,\operatorname{then}:}\]     JEE Main Online Paper ( Held On 25  April 2013 )
  A)
                  \[3{{R}_{1}}=2{{R}_{2}}\]                             
  done clear
  B)
                                         \[2{{R}_{1}}=3{{R}_{2}}\]
  done clear
  C)
                                         \[{{R}_{1}}={{R}_{2}}\]                  
  done clear
  D)
                                         \[{{R}_{1}}=2{{R}_{2}}\]
  done clear
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