00:01
Hello students, to find a basis for the two eigenspace, we need to solve the system of linear equations a -2ix is equal to zero, where i is the identity matrix of the same size as a.
00:24
So, a -2ix is equal to, we know a is equal to, we know a is equal to 1 -1 -1, 1 -1 -1, 3 -5 -3, minus 1, minus 1, 1.
00:58
So, a -2ix is equal to, a -2i is equal to, a -2i is equal to, minus 1, minus 1, minus 1, 3 -33, 3 -33, minus 1, minus 1, minus 1.
01:24
We need to solve minus 1, minus 1, minus one zero, we need to solve minus 1, minus 1, minus one zero, 3 -3 -3 -0, minus 1 minus 1 minus 1 -0.
01:46
Using gaussian elimination we get 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0...