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if veca=hati+hatj+2hatk, vecb=hati+2hatj...

if `veca=hati+hatj+2hatk, vecb=hati+2hatj+2hatk` and `|vecc|=1`
Such that `[veca xx vecb vecb xx vecc vecc xx veca]` has maximum value, then the value of `|(veca xx vecb) xx vecc|^(2)` is (a) 0 (b) 1 (c) `4/3` (d) none of these

A

2

B

3

C

4

D

5

Text Solution

Verified by Experts

The correct Answer is:
D
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