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Questions  

Consider a vector F=4i^-3j^. Another vector perpendicular to F is

a
4i^+3j^
b
6i^
c
7k^
d
3i^-4j^

detailed solution

Correct option is C

Flies in XY-plane. Hence, 7k^, perpendicular to XY-plane is also perpendicular to F.

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