Use cylindrical shells to find the volume of the solid that is generated when the region that is enclosed byy e, y 1, x O is revolved about the line y 1. [10] Find the rank and nullit-y of matrix P by reducing it to reduced-row echelon form. 6. 7. o -2 o Let A -21 0 -31 3 1-1 3 1 30 o o 3 o o i _ Find the eigenvalues and eigenvectors of A ii_ For each eigenvalue find the rank of the matrix kl [10] -A [20]