MathematicsMedium202×since 2002Q5690The lines r→=(i^−j^)+l(2i^+k^)\overrightarrow r = \left( {\widehat i - \widehat j} \right) + l\left( {2\widehat i + \widehat k} \right)r=(i−j)+l(2i+k) and r→=(2i^−j^)+m(i^+j^+k^)\overrightarrow r = \left( {2\widehat i - \widehat j} \right) + m\left( {\widehat i + \widehat j + \widehat k} \right)r=(2i−j)+m(i+j+k)Ado not intersect for any values of lll and mBintersect for all values of lll and mCintersect when lll = 2 and m = 12{1 \over 2}21Dintersect when lll = 1 and m = 2Check answerSkip