Question

30) 4x - 5y – 2z= 0; 2x + 2y + z = 2; 2x + 2y + 8z = -1 then the values of x, y, z using crammers rule
(a) X = 1, y =-1 and z = 1
(B) X = 1, y =-1 and z= 1
(b) inconsistent
(d) none of these​

Answer 1

Answer:

2x=2 2y=2 2z=2~(2×2×2×=6