Math, asked by gezdra, 1 year ago

(a4 + a2 + 1)/(a2 + a + 1)2

Answers

Answered by mysticd

1

(a⁴+a²+1)/(a²+a+1)²

= [(a²)²+2a²+1-a²]/(a²+a+1)²

=[(a²+1)²-a²]/(a²+a+1)²

=[(a²+1+a)(a²+1-a)]/(a²+a+1)²

= (a²+1-a)/(a²+a+1)

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