1.

If vec(C ) = vec(A) - vec(B), then:

Answer»

`bar(A) xx bar(C ) = bar(B) xx bar(C )`
`bar(A) xx bar(C ) = bar(B) xx bar(C )`
`|VEC(A) - vec(B)| GT |vec(B)| -|vec(B)|`
`vec(B) xx vec(A) = vec(C ) xx vec(A)`

Answer :A


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