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If vec(a) and vec(b) are the position ve...

If `vec(a)` and `vec(b)` are the position vectors of `vec(A)` and `vec(B)` respectively, then find the position vector of a point `vec(C)` and `vec(BA)` produced such that `vec(BC) = 1.5 vec(BA)`. Also, it is shown by graphically.

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