If the system of equations
11x + y + λz = –5
2x + 3y + 5z = 3
8x – 19y – 39z = µ
has infinitely many solutions, then λ4 – µ is equal to :
1
49
2
45
3
47
4
51
If the system of equations
11x + y + λz = –5
2x + 3y + 5z = 3
8x – 19y – 39z = µ
has infinitely many solutions, then λ4 – µ is equal to :