JEE Advanced 2013 Paper 1 Mathematics Q15

Mathematics

Problem

A line ll passing through the origin is perpendicular to the lines l1:(3+t)i^+(−1+2t)j^+(4+2t)k^l_1:(3+t)\hat{i}+(-1+2t)\hat{j}+(4+2t)\hat{k}, −∞<t<∞-\infty<t<\infty, and l2:(3+2s)i^+(3+2s)j^+(2+s)k^l_2:(3+2s)\hat{i}+(3+2s)\hat{j}+(2+s)\hat{k}, −∞<s<∞-\infty<s<\infty. Then, the coordinate(s) of the point(s) on l2l_2 at a distance of 17\sqrt{17} from the point of intersection of ll and l1l_1 is (are)

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