Solve for x Enter your answers as a commaseparated list matr

Solve for x. (Enter your answers as a comma-separated list.)

matrix determinant of below = -4

Solution

Matrix Determinant:

Charactertic polynomial : x(x-2) - 5*1

x^2 - 2x -5 =0

solve for x:

x = (2 +/- sqrt(4 +5*4) )/2

= (2 +/- sqrt24 )/2 = 1 +/- sqrt6

x = 1+ sqrt6 , 1- sqrt6