Sagot :
(2,1) and (0,5)
- m = -2
(3,5) and (1,2)
- m = 3/2
(2,7) and (9,2)
- m = -5/7
(-1,3) and (5,-1)
- m = -2/3
(-1,6) and (-1,8)
- m = undefined
(2,-6) and (4,-9)
- m = -2/3
(7,-6) and (-5,-7)
- m = 1/12
(6,7) and (-6,7)
- m = 0
(-4,7) and (-4,8)
- m = undefined
(2,1) and (0,5)
(3,5) and (1,2)
(2,7) and (9,2)
(-1,3) and (5,-1)
(-1,6) and (-1,8)
(2,-6) and (4,-9)
(7,-6) and (-5,-7)
(6,7) and (-6,7)
(-4,7) and (-4,8)