( 1) A =

0 0 0 1 0

1 0 0 0 1

0 0 0 0 1

1 0 0 0 0

1 1 0 1 0

(2) P =

1 0 0 1 0

1 1 0 1 1

1 1 1 1 1

1 0 0 1 0

1 1 0 1 1

(3) v 1 and v4

V2 and v5

V3 only

I hope you can take a closer look.

If not, you can ask questions.

I'll answer it for you when I have time.

I hope you study hard.

Live each day to the fullest.