计算(x^2+y)(x^2-y)(x^4+y^2)(x^8+y^4)的结果是( )A.x^16-y^8 B.-x^16+y^8 C.x^32-y^16 D.x^32+y^16下列格式从左到右的变形不能再因式分解的是( )A.a^4-1=(a^2+1)(a^2-1)B.2ax^2+2ax+4a=2a(x^2+x+2) C.6a^2b^2-18ab=3ab(2ab-6) D.a^4-2a^
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![计算(x^2+y)(x^2-y)(x^4+y^2)(x^8+y^4)的结果是( )A.x^16-y^8 B.-x^16+y^8 C.x^32-y^16 D.x^32+y^16下列格式从左到右的变形不能再因式分解的是( )A.a^4-1=(a^2+1)(a^2-1)B.2ax^2+2ax+4a=2a(x^2+x+2) C.6a^2b^2-18ab=3ab(2ab-6) D.a^4-2a^](/uploads/image/z/7650272-56-2.jpg?t=%E8%AE%A1%E7%AE%97%28x%5E2%2By%29%28x%5E2-y%29%28x%5E4%2By%5E2%29%28x%5E8%2By%5E4%29%E7%9A%84%E7%BB%93%E6%9E%9C%E6%98%AF%28+%29A.x%5E16-y%5E8+B.-x%5E16%2By%5E8+C.x%5E32-y%5E16+D.x%5E32%2By%5E16%E4%B8%8B%E5%88%97%E6%A0%BC%E5%BC%8F%E4%BB%8E%E5%B7%A6%E5%88%B0%E5%8F%B3%E7%9A%84%E5%8F%98%E5%BD%A2%E4%B8%8D%E8%83%BD%E5%86%8D%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E7%9A%84%E6%98%AF%EF%BC%88+%EF%BC%89A.a%5E4-1%3D%28a%5E2%2B1%29%28a%5E2-1%29B.2ax%5E2%2B2ax%2B4a%3D2a%28x%5E2%2Bx%2B2%29+C.6a%5E2b%5E2-18ab%3D3ab%282ab-6%29+D.a%5E4-2a%5E)
计算(x^2+y)(x^2-y)(x^4+y^2)(x^8+y^4)的结果是( )A.x^16-y^8 B.-x^16+y^8 C.x^32-y^16 D.x^32+y^16下列格式从左到右的变形不能再因式分解的是( )A.a^4-1=(a^2+1)(a^2-1)B.2ax^2+2ax+4a=2a(x^2+x+2) C.6a^2b^2-18ab=3ab(2ab-6) D.a^4-2a^
计算(x^2+y)(x^2-y)(x^4+y^2)(x^8+y^4)的结果是( )A.x^16-y^8 B.-x^16+y^8 C.x^32-y^16 D.x^32+y^16
下列格式从左到右的变形不能再因式分解的是( )A.a^4-1=(a^2+1)(a^2-1)
B.2ax^2+2ax+4a=2a(x^2+x+2) C.6a^2b^2-18ab=3ab(2ab-6)
D.a^4-2a^2+1=(a^2-1)^2
将x^m-x^(m-2)分解因式,可得( ) A.x^(m-2)(x^2-1) B.x^m(1-x^2)
C.x^(m-2)(x+1)(x-1) D.x^(m-2)(x+1)
计算(x^2+y)(x^2-y)(x^4+y^2)(x^8+y^4)的结果是( )A.x^16-y^8 B.-x^16+y^8 C.x^32-y^16 D.x^32+y^16下列格式从左到右的变形不能再因式分解的是( )A.a^4-1=(a^2+1)(a^2-1)B.2ax^2+2ax+4a=2a(x^2+x+2) C.6a^2b^2-18ab=3ab(2ab-6) D.a^4-2a^
1、B [注:A和D中(a^2-1)可进一步因式分解成(a+1)(a-1),C中(2ab-6)可提取2进一步分解为2(ab-3)];2、C(注:x^m-x^(m-2)=x^(m-2)(x^2-1)=x^(m-2)(x+1)(x-1)).
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