Physics, asked by valmik81, 10 months ago

Q.9 A and B are perpendicular to each other find value of a, if
Ā= 3i–2j+4k & B = ai+2j+k

Answers

Answered by dwarapawan1993

1

Answer:

A•B=0

3a-4+4=0

3a=0

a=0

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