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A, B, C, D... are n points in a plane wh...

`A, B, C, D...` are n points in a plane whose coordinates are `(x_1, y_1), (x_2, y_2), (x_3, y_3), ... AB` is bisected in the point `G_1;G_1C` is divided at `G_2` in the ratio `1:2; G_2 D` is divided at `G_3` in the ratio `1:3; G_3E` at `G_4` in the ratio `1:4,` and so on until all the points are exhausted. Shew that the coordinates of the final point so obtained are, `(x_1+x_2+x_3+......+x_n)/n and (y_1+y_2+y_3+.....+yn)/n`

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