1.

8. Show that the points A (1,-2,-8), B 0,-2) and C (11, 3, 7) are collinear and find the ratio in which B divides AC.

Answer» `m/n=(x-1)/(11-x)=2/3`
`m/n=(x-1)/(11-x)=2/3`
`m/n=2/3=(x-1)/(11-x)`
`22-2x=3x-3`
`25=5x,x=5`.


Discussion

No Comment Found