Please show step by step

(Section 2.2) 2. a. Use the inversion algorithm to find the inverse of the matrix, if the inverse exists. 0 0 0 1 0 0 1 5 3 5 7 b. Find all values of c, if any, for which the given matrix is invertible. C 1 0 1 C 1 c. Show that the matrices A and B are row equivalent by finding a sequence of elementary row operations that produces B from A, and then use that result to find a matrix C such that CA = B. 2 1 O 6 9 A = -1 1 B = -5 0 3 0