Factorise: X²+1/x²- 3
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Step-by-step explanation:
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Answer:
(x - 1/x + 1)(x - 1/x - 1)
Step-by-step explanation:
x² + 1/x² - 3
x² + 1/x² - 2 - 1
(x - 1/x)² - (1)²
(x - 1/x + 1)(x - 1/x - 1)
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