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http://www.tutor99.com Slope of a line can be determined if we know the angle made by the line with X axis, or if we know the two points on the line we can easily find slope of a line using formula i derived . Slope of a line is a important concept in math http://www.tutor99.com

http://www.tutor99.com SECTION FORMULA Section formula is very important result in coordinate geometry which is used to find the co-ordinate of a point which divides the two points externally or internally . In coordinate geometry we going to use mid point formula which is the consequence of the section formula . In this presentation i derived the section formula for internal division .Section Formula is widely used in all branches of math