zemchii zemchii 05-10-2022 Mathematics Answered OAN, OMB, APB and MPN are straight lines and AN = 20A. M is the midpoint of OB. OB = b OA = a AP = KAB where k is a scalar quantity. Express AB and MN in terms of a and b. Express MP in terms of a, b and k. Finally, find the value of k. A