On the augmented matrix A below, perform all three row operations in the order given. ((a) followed by (b) followed by (c)) and then write the resulting augmented matrix
[1 2 -6 ] -5
A= [1 3 5 ] 2
[-3 10 -2 ] -4
(a) R₂= 1r₁+r₂
(b) R₃ - 3r₁+r₃
(c) R₃ = 4r₂ +r₃