The shortest distance between the points and is equal to

MATHEMATICS · Single correct · CBSE · Mathematics · Coordinate Geometry · Coordinate Geometry

Problem

The shortest distance between the points L1=(k1,k2)L_1=(k_1,k_2) and L2=(k3,k4)L_2=(k_3,k_4) is equal to (1) k12+k22−k32−k42\sqrt{k_1^2+k_2^2-k_3^2-k_4^2} (2) k1k3+k2k4\sqrt{k_1k_3+k_2k_4} (3) (k1+k3)2+(k2+k4)2\sqrt{(k_1+k_3)^2+(k_2+k_4)^2} (4) (k1−k3)2+(k2−k4)2\sqrt{(k_1-k_3)^2+(k_2-k_4)^2}

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