Question

Factor completely p^4 – 2p^2 + 1

Answer 1

\[(p^2 -1)^2\]

Answer 2

\[(p-1)(p+1)(p-1)(p+1)\]

Answer 3

(p – 1)(p + 1)(p2 + 1)

(p – 1)^2(p + 1)^2

(p^2 – 1)^2

(p – 1)(p + 1)(p^2 – 1)

Those are the choices

Answer 4

Ok yeah it is (p^2 - 1) ^2