Factorise the following expressions a8-1

1.	Factorise the following expressions a8-1
Answer» ong>Answer: A2-B2 Explanation: (a+b) • (a-b) = a2 - ab + BA - b2 = a2 - ab + ba - b2 = a2 - b2

Answer»

ong>Answer:

Explanation:

(a+b) • (a-b) =

a2 - ab + BA - b2 =

a2 - ab + ba - b2 =

a2 - b2

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