[" e9.The line passing through the points "(5,1,a)" and "(3,b,1)" crosses the "yz" -plane at the "],[" point "(0,(17)/(2),-(13)/(2))" .Then : "]

The line passing through the points (5,1,4) and (3,b,1) crosses the yz-plane at the point (0,(17)/(2), - (13)/(2)). Then:

The line passing through the points (5,1,a) and (3,b,1) cross the yz -plane at the point (0,17/2,-13/2) .Then

If the line passing through the point (5,1,a) and (3,b,1) crosses the yz-plane, at the point (0,17/2, -13/2) then

If the line passing through the points (3,y,1) and (5,1,z) crosses the yz- plane at the point (0,(17)/(2),(-13)/(2)) then y + z

If the line passing through the points (5,1,p) and (3,q,1) crosses the YZ plane at the point (0,17/2, -13/2) , then

The line passing through the points (5, 1, a) and (3, b, 1) crosses the yzplane at the point (0,(17)/2,(-13)/2) .Then (1) a""=""2,""b""=""8 (2) a""=""4,""b""=""6 (3) a""=""6,""b""=""4 (4) a""=""8,""b""=""2