Question

A=4i +4j -4k & B=3i +j +4k , then angle between vector A and B is.
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Answer 1

Answer: vector product is a×b= -20i +28j -8k

Explanation:

Doing det { | | } for the given values, then

-4-16+16+12+4-12

= -20i +28j-8k

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