Q.

Two lines L1 and L2 having Parametric equations are P1=[3 4 7]+u[2 2 -6] and P2=[1 5 -2]+u[1 4 2]. Tangent vector for line L1

A. 2i+2j-6k
B. 2i+2j+6k
C. 2i-2j-6k
D. 6-2j-2k
Answer» A. 2i+2j-6k
2.4k
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