1.

If vec(a) is a non zero vector and vec(a).vec(b)= vec(a).vec(c ), vec(a) xx vec(b)= vec(a) xx vec(c ), then

Answer»

`VEC(a)//vec(B)`
`vec(b)= vec(C )`
`vec(b) NE vec( c)`
`vec(a) ne vec(b) and vec(a) = vec(c )`

ANSWER :B


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