Question

Value of (a+1)(a-1)(a^2+1) is _______​

Answer 1

Answer:

• a⁴ - 1

Step-by-step explanation:

❁ Hello! ❁

(a + 1)(a - 1)(a² + 1) =

= (a² - 1) × (a² + 1) =

= a⁴ - 1

Success! ☺️

Answer 2

Step-by-step explanation:

First we will take

(a+1)(a-1)=(a^2-1) [formula (a+1)(a-1)]

Now we have the other term (a^2+1)

So again (a^2-1)(a^2+1)=(a^4-1)