The matrix left. vphantom{ begin{array}{c} ! ! ! end{array}} right]left. vphantom{ begin{array}{c} ! ! ! end{array}} right[ boldsymbol{ vec{v}_2} = left. vphantom{ begin{array}{c} ! ! ! end{array}} right]and left. vphantom{ begin{array}{c} ! ! ! end{array}} right[ boldsymbol{ vec{v}_1} = lambda_2 = 3. find eigenvectors corresponding to these eigenvalues. lambda_1 = -9 and displaystyle left lbrack begin{array}{rr} -15 & -9 12 & 9 end{array} right rbrackhas eigenvalues