4.6. Consider the symmetric matrix (a) Assuming Bo-A, using orthogonal iteration, what are the k-0 ap- proximations for the eigenvalues? (b) Continuing part (a), find B1 when using orthogonal iteration and the resulting approximations for the eigenvalues. (c) Assuming Co - A, find C1 when using the QR method. (d) When using the QR method, what matrix does the Ck matrices converge 4.6. Consider the symmetric matrix (a) Assuming Bo-A, using orthogonal iteration, what are the k-0 ap- proximations for the eigenvalues? (b) Continuing part (a), find B1 when using orthogonal iteration and the resulting approximations for the eigenvalues. (c) Assuming Co - A, find C1 when using the QR method. (d) When using the QR method, what matrix does the Ck matrices converge