Question

simplify the following.
$(p - 1)(p + 1)(p ^{2} + 1)$
solve it​

Answer 1

Answer:

Step-by-step explanation:

$( p - 1)( p + 1)( p ^2 + 1)\\( p^2 - 1)( p^2 + 1) (as (a+b)(a-b)=a^2 - b^2) \\p^4 - 1 (as (a-b)(a+b)=a^2 - b^2 )\\hence, answer = p^4 - 1$