Question

Factorize

please give fast snswer
$x { }^{2} + 2 + \frac{1}{x ^{2} }$
​

Answer 1

Multiplying by x²

x⁴+2x²+1

x⁴+(1+1)x²+1

x⁴+x²+x²+1

x²(x²+1)+1(x²+1)

(x²+1)(x²+1)

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