If m and M are the minimum and the maximum values of 4+1/2\text{\sin}^{2}2x-2\text{\cos}^4x,x∊R, then M-m is equal to [Main 9 Apr 2016]

JEE Main 09 April 2016 Paper

Section: Mathematics

Question : 89 of 90

Marks: +1, -0

If m and M are the minimum and the maximum values of 4+

sin22x−2cos4x,x∊R, then M−m is equal to

[Main 9 Apr 2016]

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