(a) For the following system of non- homogeneous linear equations, find the solution if it is unique; otherwise, describe the infinite solution set in terms of an arbitrary parameter k. 4x – 2y + 6z =...

Do B PART

Extracted text: (a) For the following system of non- homogeneous linear equations, find the solution if it is unique; otherwise, describe the infinite solution set in terms of an arbitrary parameter k. 4x – 2y + 6z = 3, 5x – y – z = 2 and 2x – y + 3z = 4 (b) Use Cramer's rule to solve the following system of linear equations. 4x + 9y + 12z = -1, 3x + y + 16z = -46 and 2x + 7y + 3z = 19