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If P = 2i + 3j - 4k and Q = 5i + 2j + 4...

If `P = 2i + 3j - 4k and Q = 5i + 2j + 4k` find the angle between the two vectors

A

`30^(@)`

B

`45^(@)`

C

`60^(@)`

D

`90^(@)`

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The correct Answer is:
D
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