Enrich · Mathematics Extension 2 11–12 – Year 12 · Further work with vectors

Enrich Determine whether two distinct lines r_1 = a_1 + λ_1b_1 and r_2 = a_2 + λ_2b_2 in three dimensions intersect, and if so, find the unique value of either λ_1 or λ_2 corresponding to the point of intersection and determine its coordinates

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