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If |vec(a)| = 3, |vec(b) = 4 and |vec(a)...

If `|vec(a)| = 3, |vec(b) = 4` and `|vec(a) + vec(b)| = 1`, then `|vec(a) - vec(b)| =`

A

5

B

6

C

7

D

8

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The correct Answer is:
C
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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