[" If the line joining the points "(-1,3)" and "(4,-2)" passes through the point "(a,b)," then prov "],[" that "a+b=2]

Straight line joining the points (2,3) and (-1,4) passes through the point (alpha, beta) if

If line joining the points (4,-2, 3) and (-5, 4,0) passes through (a, b, 2), then:

If the straight line joining the points (2,3) and (-1,4) passes through the point (alpha , beta) then ……………….

The plane which bisects the line joining the points (4, -2, 3) and (2,4,-1) at right angles also passes through the point :

In what ratio is the line joining the points (2,3)a n d\ (4,-5) divided by the line passing through the points (6,8) and (-3,-2).

In what ratio is the line joining the points (4, -5) and (2,3) divided by the line passing through the points (6,8) and (-3,-2).

If the line x/a+y/b=1 passes through the points a (2,- 3) and (4, - 5), then (a, b) =