How to solve these problems. Please show each steps.

1 Calculate the determinant of 1302 - 2- 5 4 3 5 21 1-12-3 (2) Find eigenvalues and eigenvectors of / 35 - 3 ) Apply Gram- Schmidt process to the vectors 4 Let A be a 3x8 matrix such that dim Nul A= 5 Find dim Row A, dim Col A, dim Row AT, dim Col AT and dim Nul AT (5) If A is a matrix satisfying A = A, what can you say about det A