Hello Tutor, please help me with these problems. Please write neatly, follow the instructions and ONLY SOLVE THE "CIRCLE" ONES. Thank you so much for your help. I will really appriciate your help and I would leave a good feedback and a thumbs up?

V2 0 2 ONKIN / 15. A = V2 2 - O2 11. A = 020 3. =In Exercises 9-12, find the eigenspaces of the n x n symmetric matrix, and verify that the sum of the dimensions of the eigenspaces is n. 0 2 9 . ) A = -1 0 NO OIn Exercises 13-16, determine whether the matrix is orthogonal. 3 2 13. A = N / NI- NI -7. A = N )In Exercises 1-4, verify that the eigenvalues of the symmetric matrix are all real numbers. 1 2 1 A Jib it bas gal 1. A = 2In Exercises 5-8, verify that the eigenvectors of the symmetric matrix corresponding to distinct eigenvalues are orthogonal. 2 5. A 2 -2