Factorize the following: a ⁴ + a²+ 1
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Answer:
(a² + a + 1) (a² - a + 1)
Step-by-step explanation:
a ⁴ + a²+ 1
= (a² + 2a² + 1) - a²
= (a² + 1)² - (a)²
= (a² + a + 1) (a² - a + 1)
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