If a = i-j-k, a.b = 0, axxb = c,where c^...

If `a = i-j-k, a.b = 0, axxb = c,`where `c^- = -2i-j+k`, then `b^-` is equal to

A

(1,0,-1)

B

(0,1,1)

C

(-1,-1,0)

D

(-1,0,1)

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The correct Answer is:

B

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