Question

expand and simplify (a+b)(a-b)(a^2 + b^2 )​

Answer 1

Answer:(a+b)(a-b)=a^2-b^2(we know)

now (a^2-b^2)(a^2+b^2)

=(a^4-b^4)

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

(a+b)(a-b)(a^2+b^2)

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

= (a^2)^2-(b^2)^2

= a^4-b^4

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