What is the characteristic equation of the matrix A=(2314)A = \begin{pmatrix} 2 & 3 \\ 1 & 4 \end{pmatrix}A=(2134)?
λ2+6λ+5=0\lambda^2 + 6\lambda + 5 = 0λ2+6λ+5=0
λ2−6λ+5=0\lambda^2 - 6\lambda + 5 = 0λ2−6λ+5=0
λ2−6λ+11=0\lambda^2 - 6\lambda + 11 = 0λ2−6λ+11=0
λ2+6λ−5=0\lambda^2 + 6\lambda - 5 = 0λ2+6λ−5=0