If |a| = 1, |b| = 1,|c| = 2 and a xx (a ...

If |a| = 1, |b| = 1,|c| = 2 and `a xx (a xx c) + `b = 0 , then `(a.c)^(2)`

A

1

B

2

C

4

D

3

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The correct Answer is:

D

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