Using section formula show that the points p(2,-1) q(0,1) r(-3,4) are collinear
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If the given points are collinear then they are in the ratio 1:2 or 2:1
let the ratio be m1:m2
since x= m1x2+ m2x1/m1+m2
0=m1 (-3) +m2 (2)/m1+m2
0=-3m1+2m2
3m1=2m2
m1:m2=2:3
let the ratio be m1:m2
since x= m1x2+ m2x1/m1+m2
0=m1 (-3) +m2 (2)/m1+m2
0=-3m1+2m2
3m1=2m2
m1:m2=2:3
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Hi dear mate, this is your answer
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