- #1
Amy-Lee
- 27
- 0
In idemponent matrices:
Is there a value of r for which
(matrix) A= -1 -1
2 r
is idempotent? If so, what is the value of r and why.
I know that A^2=A, that's about all... How does one find r, if this is the only info given?
I have no idea how to approach this. Please help.
Is there a value of r for which
(matrix) A= -1 -1
2 r
is idempotent? If so, what is the value of r and why.
I know that A^2=A, that's about all... How does one find r, if this is the only info given?
I have no idea how to approach this. Please help.
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