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Factorize (i) (x^4+3x^2+4) (ii) (x^4+5...

Factorize `(i) (x^4+3x^2+4)`
`(ii) (x^4+5x^2+9)`

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Let's factorize the given polynomials step by step. ### (i) Factorize \( x^4 + 3x^2 + 4 \) 1. **Rewrite the polynomial**: We can express \( x^4 \) as \( (x^2)^2 \). Thus, we rewrite the polynomial: \[ x^4 + 3x^2 + 4 = (x^2)^2 + 3x^2 + 4 ...
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