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Question

If a point P(x, y) divides the line segment joining , A (x1,y1) and B (x2,y2) in the ratio m1 and m2 then the coordinates of P are (pm1x2+m2x1m1+m2,qm1y2+m2y1m1+m2) then p+q =

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Solution

Given that point P(x,y) divides the line segment joining A(x1y1) B(x2y2) in the ratio m1:m2 then the coordinates of P can be obtained using the section formula.
( Diagram )
Using section formula we can write :
(x,y)(m1x2+m2x1m2m2,m1y2+m2y2m1+m2)
Hence, the answer is (m1x2+m2x1m2m2,m1y2+m2y2m1+m2).


1210177_1243731_ans_44aee5eb200e49d4ade26c4685c32ca0.png

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