Question

factorize (a³+b³) -a-b
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Answer 1

Answer:

(a + b)(a² – ab + b²-1)

Step-by-step explanation:

by using a³ + b³ = (a + b)(a² – ab + b²)

⇒(a³+b³) -a-b

⇒(a + b)(a² – ab + b²)-(a+b)

⇒ (a + b)(a² – ab + b²-1)