Question

Determine the value of m, so that vectors

A i m j k = + + 2

and

B i j k = − + 4 2 2

are perpendicular to each

other?​

Answer 1

Explanation:

the question is from which class

Answer 2

Answer:

there are two ways given beloww

first one is normal way and the other is based on concept or shortcut

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