Given the following row operations using Gauss-Jordan Elimination Time left 2:39:00 missing matrix: Write augmented matrix - 2 26 -1 - 4 -1 R3 5 - 1 -2 18 - 39 - 5 -2 R, Rat R, - 4 - 3 - 3 RR, + 9 R3 R2 + R, + 1 Ra - 3 R27 RX - 18 R3 R27 Ra- JR, -7 - 10 9 17 R -> R2+ R3 OD- DD .: X = 2 -3 -5 21 - -20 7 = -3 LPN R x Put R 2 -1 2 RX RJ 4 R2 7 -20 19 R , Rit Rg R2 R, - R3 ? ? ? R 37 R3- RZ 0 -9 20 I -39 D -29 Select one: O a . 1 -1 2 0 2 7 -20 0 1 11 39 O b. 1 1 9 -19 0 2 7 -20 0 -7 -32 99 O c. 1 0 9 20 0 1 18 -39 0 1 -11 19 O d. 1 0 20 0 1 -1 0 -11 19