Question

the ratio in which the line segment joining the points (1,2) and (4,5) is divided by (3,b) is 2:1 . find b ​

Answer 1

Answer:

Given that → - A (243), B(1,2,1)

let (2) deaude AB in ratio di 4

then N = 214 yz -d +2 2 22364

Because I lie in plane rty+2=5

25

4++2₂5 =) 41+2251542-3

blence P devide AB

in oratio 3:1 externally