X2+1因式分解
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X2+1因式分解X2+1因式分解X2+1因式分解x²+1=x²-i²=(x+i)(x-i)
X2+1因式分解
X2+1因式分解
X2+1因式分解
x²+1
=x²-i²
=(x+i)(x-i)
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