Ask your own question, for FREE!
OpenStudy (anonymous):

Suppose A is a square matrix and A^7 - 4A^5 + √5A^2 + I = 0. Show that A is invertible.

OpenStudy (anonymous):

The determinant of an invertable matrixis not zero.

Can't find your answer? Make a FREE account and ask your own question, OR you can help others and earn volunteer hours!