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Questions  

If \large \overrightarrow P = 2\widehat i + 3\widehat j - 4\widehat k and \large \overrightarrow Q = 5\widehat i + 2\widehat j + 4\widehat k .Find the angle between the two vectors.

a
300
b
450
c
600
d
900

detailed solution

Correct option is D

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