matrix
1 point) On the augmented matrix AA below, perform all three row operations in the order given, ((a) followed by (b) followed by (c)) and then write the resulting augmented matrix.
A=⎡⎣⎢⎢13−3−1−2−136135−4⎤⎦⎥⎥A=[1−1333−265−3−11−4]
(a) R2=−3r1+r2R2=−3r1+r2
(b) R3=3r1+r3R3=3r1+r3
(c) R3=4r2+r3
