JEE Main 20205 Sep, Morning shiftMathematicsMediumSequence and Series179× since 2002If 32sin2α−1{3^{2\sin 2\alpha - 1}}32sin2α−1, 14 and 34−2sin2α{3^{4 - 2\sin 2\alpha }}34−2sin2α are the first three terms of an A.P. for some α\alphaα, then the sixth terms of this A.P. is:AOption A. 66BOption B. 81COption C. 65DOption D. 78CheckSkip · show solution