db) Find the ratio in which point P (6, 7) divides the segment joining A(8.9) and B(1.2) by completing
the following activity.
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Step-by-step explanation:
The points are 4,6 and -7,-1
then by using section formula =[ m1*x2 + m2*x1]/[m1 +m2]
,[ m1*y2 +m2*y1]/[m1+m2].
then take m1 as k and m2 as 1 that make ratio of k:1
then, by using section formula=
[k*-7+1*4/k+1] ,[k*-1+1*6/k+1]
[-7k+4/k+1] ,[ -k +6/k+1]
then, on x axis y is 0
then,[ -k+6/k+1] =0
then, take k+1 on right side
= -k+6 = 0*k+1
= -k +6 = 0
then take 6 on right side
= -k = -6
then both negative sign are cancelled
= k = 6
then the ratio is k:1 = 6:1
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