MCQ
The expression $x^4+4$ can be factorized as
- ✓$\left(x^2+2 x+2\right)\left(x^2-2 x+2\right)$
- B$\left(x^2+2 x+2\right)\left(x^2+2 x-2\right)$
- C$\left(x^2-2 x-2\right)\left(x^2-2 x+2\right)$
- D$\left(x^2+2\right)\left(x^2-2\right)$
✓
Answer
Correct option: A.
$\left(x^2+2 x+2\right)\left(x^2-2 x+2\right)$
a
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