Question

If A is a 3 x 3 matrix with three orthogonal eigenvectors, then A is diagonalizable.
a.True b.False
Let B {[1], [2]}
{[1], [1]}
be a basis for R². Find the vector as if [x]B = [2]
[3]
a. x= [-3]
[ 4]
b. x= [6]
[5]
c. x= [7]
[5]
d. x= [1]
[8]