KcetThree Dimensional GeometryKCET 2026MCQ+1 / -02026The measure of the angle between the lines $x = k + 1, y = 2k - 1, z = 2k + 3, k \in \mathbb{R}$ and $\dfrac{x - 1}{2} = \dfrac{y - 2}{1} = \dfrac{z - 3}{1}$ isA$\cos^{-1}\left(\dfrac{2}{3}\right)$B$\cos^{-1}\left(\sqrt{\dfrac{2}{3}}\right)$C$\cos^{-1}\left(\sqrt{\dfrac{3}{2}}\right)$D$\cos^{-1}\left(\dfrac{3}{2}\right)$Check AnswerClear SelectionReveal AnswerShow Explanation
