(a) Find the points which divide the line joining A(1,3) and B(-4,-1) internally in the ratios:
(i) 1:2
(ii) 1:1
(iii) 3:1
(b) On the same x-y axes plot the point A(1,3) and B(-4,-1) and draw the line joining them. Add the three points which you calculated in part (a).
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