JEE Main 202621 Jan, Morning shiftMathematicsEasySets, Relations and Functions168× since 2002If the domain of the function f(x)=cos−1(2x−511−3x)+sin−1(2x2−3x+1)f(x)=\cos^{-1}\left(\frac{2x-5}{11-3x}\right)+\sin^{-1}(2x^2-3x+1)f(x)=cos−1(11−3x2x−5)+sin−1(2x2−3x+1) is the interval [α,β][\alpha,\beta][α,β], then α+2β\alpha+2\betaα+2β is equal to :AOption A. 1BOption B. 2COption C. 5DOption D. 3CheckSkip · show solution
