Geo2.29

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Find the ratio in which the straight line2x+3y-20=0\, divides the line joining the points (2,3),(7,10)\,

By using the formula,

The ratio is

{\frac  {-(2\cdot 2+3\cdot 3-20)}{2\cot 7+3\cdot 10-20}}\,

{\frac  {4+9-20}{14+30-20}}\,

{\frac  {7}{24}}\,


Main Page:Geometry:Straight Lines-I