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If `vec (a) = 2 hat (i) - 2 hat (j) + hat (k) , vec(b) = hat (i) + hat (j) - hat (k) and |vec (a) xx vec(b)| = sqrt(13 m )` then the value of m is -

A

3

B

4

C

2

D

1

Text Solution

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The correct Answer is:
c
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