If the position vectors of the point A,B,C be i,j,k respectively and P be a point such that AB=CP then the position O vector of P is

Dear pallavi

AB=CP

ie  position vector of B  - position vector of A  = position vector of P  - position vector of C

      j - i    =   position vector of P    - k

 position vector of P  =  -i +j +k

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