Question

find the following products (a+1)(a-1)(a²+1)​

Answer 1

Answer:

As we know that,

(a+b)(a−b)=a2−b2

Therefore,

(a+1)(a−1)(a2+1)

=(a2−12)(a2+1)

=((a2)2−12)

=a4−1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

(a²-1²)(a²+1)

=(a²-1²)(a²+1²)

={(a²)²-(1²)²}

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