1.

If vec(a) xx vec(b) = vec(b) xx vec(c )= vec(c )xx vec(a), where vec(a), vec(b), vec(c ) are non zero vectors, then

Answer»

`VEC(a) + vec(b) + vec(c )= vec(0)`
`vec(a) + vec(b) + vec(c ) GT vec(0)`
`vec(a) + vec(b) + vec(c ) LT vec(0)`
`vec(a) + vec(b) + vec(c ) NE vec(0)`

Answer :A


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