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)                 If the integral \[\int{\frac{\cos 8x+1}{\cot 2x-\tan 2x}dx=A\cos }\]\[8x+k,\]where K is an arbitrary constant, then A is equal to :     JEE Main Online Paper ( Held On 25  April 2013 )
  A)
                  \[-\frac{1}{16}\]
  done clear
  B)
                                         \[\frac{1}{16}\]
  done clear
  C)
                                         \[\frac{1}{8}\]                                   
  done clear
  D)
                                         \[-\frac{1}{8}\]
  done clear
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