Question

The lines represented by the equations a1 + 1 + 1 = 0 and 2 + 2 + 2 = 0 are coincident if a) 1 2 ≠ 1 2 b) 1 2 = 1 2 = 1 2 c) 1 2 = 1 2 ≠ 1 2 d) 1 2 ≠ 1 2 ≠ 1 2​

Answer 1

1+5=6

17+17=34

48+2=50

15+38=58