\ begin {align}\ begin {split} A X =\ lambda X\ quad &\ Leftrightarrow\ left (\ begin {array} {cc} 2 & 1\\ 2 & 3\\ end {array}\ right)\ left (\ begin {array} {c} x_1\\ x_2\\ end {array}\ right) =\ lam...\ begin {align}\ begin {split} A X =\ lambda X\ quad &\ Leftrightarrow\ left (\ begin {array} {cc} 2 & 1\\ 2 & 3\\ end {array}\ right)\ left (\ begin {array} {c} x_1\\ x_2\\ end {array}\ right) =\ lambda\ left (\ begin {array} c} x_1\\ x_2\\\ end {array}\ derecha)\\ &\ Leftrightarrow\ left (\ begin {array} {cc } 2 & 1\\ 2 & 3\\\ end {array}\ derecha)\ left (\ begin {array} {c} x_1\\ x_2\\\ end {array}\ right) -\ lambda\ left (\ begin {array} {c} x_1\ x_2\\ end {array}\\ right) =\ left (\ begin …
