Solved papers for JEE Main & Advanced JEE Main Paper (Held On 9 April 2016)

done JEE Main Paper (Held On 9 April 2016) Total Questions - 1

• question_answer1) If m and M are the minimum and the maximum values of \[4+\frac{1}{2}{{\sin }^{2}}2x-2{{\cos }^{4}}x,x\in R,\]then M-m is equal to   JEE Main Online Paper (Held On 09 April 2016)
  A)
  \[\frac{7}{4}\]                   
  done clear
  B)
  \[\frac{15}{4}\]                
  done clear
  C)
  \[\frac{9}{4}\]   
  done clear
  D)
  \[\frac{1}{4}\]
  done clear
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