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Derive the formula to find the co-ordina...

Derive the formula to find the co-ordinates of a point which divide the line joining the points `A(x_1,y_1,z_1)` and `B(x_2,y_2,z_2)`internally in the ratio `m:n`.

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Derive an expression for the co-ordinates of points that divides the linejoining points A(x_1,y_1,z_1) andB(x_2,y_2,z_2) internally in the ratio m:n.Hence find the co-ordinates of midpoint of AB where A=(3,2,1) and B=(7,6,5).

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SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER - 2018 (NORTH) (WITH ANSWERS)-Part - C (Answer any Ten questions:)
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