In what ratio does the points, (1,-7/2) divide the join of (-2,-4) and (2,-10/3) ?
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1 = [ -2 * r + 2 * 1 ] / (1+r)
1+r = -2 r + 2 => r = 1/3 Ratio: 1 : 3
-7/2 = [ -4 * r + (-10/3) * 1] / (1+r)
verifying : -7/2 - 7/2 r = - 4 r - 10/3
1/2 r = 1/6 r = 1/3 verifies.
1+r = -2 r + 2 => r = 1/3 Ratio: 1 : 3
-7/2 = [ -4 * r + (-10/3) * 1] / (1+r)
verifying : -7/2 - 7/2 r = - 4 r - 10/3
1/2 r = 1/6 r = 1/3 verifies.
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