find the coordinates of a point P which divides the line segment joining P= - 7,2 and q=-1,-1 in the ratio 4:1
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find the coordinates of a point P which divides the line segment joining P= - 7,2 and q=-1,-1 in the ratio 4:1
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Step-by-step explanation:
By taking equal co-ordinates:
[tex] \frac{m1}{m2} = \frac{x - x1}{x2 - x} \: or \: \frac{y - y1}{y2 - y} [/tex]
(I).X1=-7, X2=-1
4/1=x-(-7)/-1-x
4(-1-x)=x+7
-4-4x=x+7
-4-7=x+4x
-11/5=x.
(ii). y1=2 y2=-1.
4/1=y-2/-1-y
4(-1-y)=y-2
-4-4y=y-2
-4+2=y+4y
-2/5=y