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If |veca|=4, |vecb|=4 and |vecc|=5 such ...

If `|veca|=4, |vecb|=4` and `|vecc|=5` such that `veca bot vecb + vecc, vecb bot (vecc + veca)` and `veca bot (veca + vecb)`, then `|veca + vecb + vecc|` is:

A

7

B

5

C

13

D

`sqrt(57)`

Text Solution

Verified by Experts

The correct Answer is:
D
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