If a = 4i + 2j-5k, b =-12i-6j+15k, then ...

If `a = 4i + 2j-5k, b =-12i-6j+15k`, then the vectors a, b are

orthogonal

parallel

non-coplanar

none of these

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ML KHANNA-ADDITION AND MULTIPLICATION OF VECTORS -Problem Set (2) (MULTIPLE CHOICE QUESTIONS)

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