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Let hata, hatb and hatc be three unit ...

Let `hata, hatb and hatc` be three unit vectors such that `hata=hatb+(hatb xx hatc)`, then the possible value(s) of `|hata+hatb+hatc|^(2)` can be :

A

1

B

4

C

16

D

9

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The correct Answer is:
A, D
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