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Q3. If the vectors v = 2i + 3j - 4k and w = ai + 9j + 5k are perpendicular, find the value of the scalar 'a'.

Mathematics — Vectors — Question 3 of 13

A. 7
B. -7/2
C. -7
D. 7/2

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If the vectors v = 2i + 3j - 4k and w = ai + 9j + 5k ar... | Mathematics MCQ #3 | Examora | Examora