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If |veca| -= 16,|vecb| = 4 then, sqrt(|...

If `|veca| -= 16,|vecb| = 4` then, `sqrt(|vecaxxvecb|^(2)+|veca.vecb|^(2))`=

A

4

B

16

C

8

D

64

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The correct Answer is:
D
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