rjw5002
1. Homework Statement
Suppose [tex]P \in L(V)[/tex] and P^2 = P. Prove that (I+P) is invertible.
2. Homework Equations
3. The Attempt at a Solution
Am I right to assume that since P^2 = P, P = I?
Suppose [tex]P \in L(V)[/tex] and P^2 = P. Prove that (I+P) is invertible.
2. Homework Equations
3. The Attempt at a Solution
Am I right to assume that since P^2 = P, P = I?