Matlab code

Which of the following sets of linear equations expressed in terms of their corresponding augmented matrices can be solved to give a unique solution for each of the unknowns? (i) 126544412893236 (ii) 221444112873 (iii) 12265414415289331357 (iv) 120604044102090323159 (v) 126044412239 (vi) 101504202803 a. (iii) and (v) only b. (i) only c. (vi) only d. (i), (ii) and (iii) only e. All of them except for (vi) f. All of them except for (v) g. All of them h. All except (iii)