Math, asked by mustaphaaliyu71, 10 months ago

Determine the value of x so that A=2i+xj+kand B=4i-2j-2kare perpendicular.

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Answered by pulakmath007

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Answer:

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Step-by-step explanation:

ANSWER ::

Since A & B are perpendicular

So

A . B = 0

8 - 2x - 2 = 0

6 - 2x = 0

2x = 6

x = 3

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