Question

Find the value ofp so that the vectors A=2i + pj + k and B=41 - 2j-2 k are perpendicular
to each other
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Answer 1

Explanation:

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Answer 2

Answer:

M . N = 2 * 4 + p * -2 + 1 * - 2 = 0

8 - 2p -2 = 0

6 - 2p = 0

Solve for p:

-2p = -6

p = 3