Q1 of 157 Page 724

Find the distance between the points:

A(1, – 3) and B(4, – 6)

In this question, we have to use the distance formula to find the distance between two points which is given by, say for points P(x1,x2) and Q(y1,y2) then


PQ = √(x2 – x1)2 + (y2 – y1)2



AB = √{(4 – 1)2 + (– 6 – (– 3))2}


= √{(3)2 + (– 3)2}


= √{9 + 9}


= √18


∴ AB = 3√2 units


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