分解因式:(a²+1)²-4(a²+1)+4
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分解因式:(a²+1)²-4(a²+1)+4
分解因式:(a²+1)²-4(a²+1)+4
分解因式:(a²+1)²-4(a²+1)+4
(a²+1)²-4(a²+1)+4
=[(a²+1)-2]²
=(a²-1)²
=(a+1)²(a-1)²
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答:
(a²+1)²-4(a²+1)+4
=(a²+1)²-2*2(a²+1)+2²
=(a²+1-2)²
=(a²-1)²
=(a-1)²(a+1)²
a*a+1*a+1*1-4a
=[(a²+1)-2]²
=(a²-1)²
=(a+1)²(a-1)²