the line connecting points A(1,2) and b(4,-5) divides the segment X -axis A in what ratio?
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Answered by
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Step-by-step explanation:
If it is x-axis the coordinates of the point is (x,0).
Section formula:
p(x.y)=[m1x2+m2x1/m1+m2, m1y2+m2y1/m1+m2]
(x,y)=(x,0)
(X1,y1)=(1,2)
(X2,y2)=4,-5)
(x,0)=[4m1+1m2/M1+m2, -5m1+2m2/m1+m2]
By equating y coordinates, we get
0= -5m1+2m2/m1+m2
0(m1+m2)= -5m1+2m2
5m1=2m2
M1/m2=2/5.
Therefore, the ratio is 2:5.
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