If vector a = vector(i + j + 2k) and vector b = vector(3i + 2j - k), t – InterviewSolution

1.	If vector a = vector(i + j + 2k) and vector b = vector(3i + 2j - k), then the value of vector(a + 3b).(2a - b) is (a) 15(b) 18(c) -18(d) -15
Answer» Answer is (d) -15

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