Question

Matrice question:
If P^2=4I, then what does P^-1 equal?

Answer 1

Yes

Answer 2

How did you get to that conclusion?

Answer 3

im just confirming the question

Answer 4

does it say p^2 = 4 * identity

Answer 5

p * p= 4 0
0 4
so we want p^-1

Answer 6

OOHHH! if it's the identity then it would make things much easier!

Answer 7

alrighty :)

Answer 8

Thanks. I can do it from here.

Answer 9

okay good luck :)