Find the co- ordinates of the point which divides internally the line joining the points (6,-9) and (4,6) in the ratio 3:4
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x1=6,y1=-9
x2=4,y2=6
m1=3,m2=4
As we know- x=m1x2+m2x1/m1+m2
so x=3*4+4*6/3+4= 12+24/7=36/7
now y=m1*y2+m2*y1/m1+m2
so y=3*6+4*-9/3+4=18-36/7=-18/7
so co-ordinates are(36/7,-18/7)
Hope it helps
x2=4,y2=6
m1=3,m2=4
As we know- x=m1x2+m2x1/m1+m2
so x=3*4+4*6/3+4= 12+24/7=36/7
now y=m1*y2+m2*y1/m1+m2
so y=3*6+4*-9/3+4=18-36/7=-18/7
so co-ordinates are(36/7,-18/7)
Hope it helps
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