mary6552 mary6552

26-03-2024
Physics

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→OA=3i+4j+12k,→OB=12i+3j+4k, →OC=4i+12j+3k.
Find the unit vector perpendicular to →OA and →OB
a. 20i−132j+39k/√(19345)
b. −20i+132j−39k/√(19345)
c. −50i+156j−57k/√(30085)
d. 50−156j+57k/√(30085)

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