If OA = i-2j +4k, OB = -2i +3j + 4k, 2AB = 4AC then OC
(A) 4i - 4j +9k
(B) 4i + 4j -9k
(C) 1/2(-i+j+8k)
(D) 4i +4j +9k
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AB=2i-3j+k, CB=i+j+k, CD=4i-7j, AD=
https://brainly.in/question/13997199
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