The angle between the lines vector r = (4i - j) + s(2i + j - 3k) and v – InterviewSolution

1.	The angle between the lines vector r = (4i - j) + s(2i + j - 3k) and vector r = (i - j + 2k) + t(i - 3j + 2k) is :(a) 3π/2(b) π/3(c) 2π/3(d) π/6
Answer» Answer is (b) π/3

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