Mht CetStraight Lines And Pair Of Straight LinesMHT CET 2026 17th April Morning ShiftMCQ+2 / -02026The measure of the acute angle between the pair of lines $2x^2 + xy - y^2 - x + 2y - 1 = 0$ is:A$\tan^{-1}\dfrac{1}{3}$B$\tan^{-1}1$C$\cos^{-1}\dfrac{1}{\sqrt{10}}$D$\cos^{-1}\sqrt{10}$Check AnswerClear SelectionReveal AnswerShow Explanation