一道数学题:计算(a+2)²(a-2)²(a²+4)²
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一道数学题:计算(a+2)²(a-2)²(a²+4)²
一道数学题:计算(a+2)²(a-2)²(a²+4)²
一道数学题:计算(a+2)²(a-2)²(a²+4)²
(a+2)²(a-2)²(a²+4)²
=[(a+2)(a-2)]²(a²+4)²
=(a²-4)²(a²+4)²
=(a4-16)²
=a8-32a4+256
(a+2)²(a-2)²(a²+4)²
=[(a+2)(a-2)]²(a²+4)²
=(a²-4)²(a²+4)²
=[(a²-4)(a²+4)]²
=(a^4-16)²
= [(a+2)(a-2)]^2 *(a^2+4)^2
=(a^2 - 4)^2 * (a^2 + 4)^2
=[(a^2-4)(a^2+4)]^2
=(a^4 - 16)^2
= a^8 - 32a^4 + 256
(a+2)²(a-2)²(a²+4)² =(a²-4)² (a²+4)² =(a4-16)² =a8-32a4+256
=(a²-4)²(a²+4)²=(a^4-16)²=a^8-32a^4+16²
(a+2)²(a-2)²=[(a+2)(a-2)]²=(a²-4)²
(a+2)²(a-2)²(a²+4)² =(a²-4)²(a²+4)²=(a^4-16)²
(a+2)²(a-2)²(a²+4)²=[(a+2)(a-2]²(a²+4)²
=(a²-4)²(a²+4)²=[(a²-4)(a²+4)]²
=(a^4-16)²
=a^8-32a^4+256
(a+2)²(a-2)²(a²+4)²
=[(a+2)(a-2)]²(a²+4)²
=﹙a²-4﹚²(a²+4)²
=[﹙a²-4﹚(a²+4)]²
=(a四次方-16)²
=a八次方-32a四次方+256
原式=(a+2)(a-2)(a+2)(a-2)(a²+4)(a²+4)
=(a²-4)(a²-4)(a²+4)(a²+4)
=(a四次方-16)²