Question

Factor completely p4 - 2p2 + 1.

(p2 - 1)2
(p - 1)(p + 1)(p2 + 1)
(p - 1)(p + 1)(p2 - 1)
(p - 1)2(p + 1)2

Answer 1

if you have the multiple choice, why don't you just work each answer and figure out which one it is. another hint. (a+b)^2=a^2+2ab+b^2

Answer 2

thnks.

Answer 3

also, (a^2-b)=(a+b)(a-b)

Answer 4

(p2 - 1)2

Answer 5

a^2-b^2 * my bad

Answer 6

if you need the answer, its the last one

Answer 7

it is the first

Answer 8

the second one is the only one that doesnt give you the original equation. the other 3 give the answer, but the last one is fully factored.

Answer 9

trust me. it is the last one if you want fully factored.

Answer 10

yup tutordiffeq is right :D
sorry