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Find the value of m , if the points (5,1...

Find the value of m , if the points (5,1), (-2,-3) and (8,2m) are collinear .

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Points `A(5, 1), B(-2, -3), C(8, 2m)` will be collinear.
if `" "5(-3-2m)-2(2m-1)+8(1+3)=0`
`rArr" "-15-10m-4m+2+32=0`
`rArr" "14m=19rArr" "m=(19)/(14)`
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