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If vecA = (1, 1, 1), vecC = (0,1,-1) are...

If `vecA = (1, 1, 1), vecC = (0,1,-1)` are given vectors, then prove that a vector `vecB` satisfying the equations `vecA xx vecB=vecC` and `vecA*vecB = 3` is `(5/3, 2/3, 2/3).`

A

`((5)/(3),(2)/(3),(2)/(3))`

B

`(-(5)/(3),(2)/(3),(2)/(3))`

C

`((5)/(3),(2)/(3),-(2)/(3))`

D

none of these

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A
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