Question

A vector perpendicular to (4î – 3j) is
(1) 4i +3ĵ (2) 7k
(3) 6i
(4) 3i – 4j

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Answer 1

your answer will be option

4)3î - 4jcap

as the dote product of any two vectors is zero if they are perpendicular to each other.

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