camk8780 camk8780 08-02-2024 Mathematics contestada The lines x - 2/1 = y - 3/1 = z - 4/-k and = x - 1/k = y - 4/2 = z - 5/1 are coplanar, ifa. k = o or -1b. k = o or -3c. k = o or 1d. k = 3 or -3
