JEE Main 20169 Apr, Morning shiftMathematicsHardTrigonometry118× since 2002If m and M are the minimum and the maximum values of 4 + 12{1 \over 2}21 sin² 2x −-− 2cos⁴ x, x ∈\in∈ R, then M −-− m is equal to :AOption A. 154{{15} \over 4}415BOption B. 94{{9} \over 4}49COption C. 74{{7} \over 4}47DOption D. 14{{1} \over 4}41CheckSkip · show solution
