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If |a| = 4, |b| = 5, |a - b| = 3 and ...

If |a| = 4, |b| = 5, |a - b| = 3 and `theta ` is the angle between the vectors a and b , then `tan^2 theta` =

A

`4/3`

B

`3/4 `

C

`16/9`

D

`9/16`

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The correct Answer is:
D
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