因式分解:ax2﹣4ay2,正确结果是[ ]A.4a(x2﹣y2)B.a(x2﹣4y2)C.a(x+2y)(x﹣2y)D.4a(x+y)(x﹣y)
题型:单选题难度:一般来源:同步题
因式分解:ax2﹣4ay2,正确结果是 |
[ ] |
A.4a(x2﹣y2) B.a(x2﹣4y2) C.a(x+2y)(x﹣2y) D.4a(x+y)(x﹣y) |
答案
C |
举一反三
分解因式a3﹣4a等于 |
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A.a(a2﹣4) B.a2(a﹣) C.a(a+2)(a﹣2) D.a(a﹣2)2 |
将整式a3﹣9a分解因式结果正确的是 |
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A.a(a2﹣9) B.a(a+9)(a﹣1) C.a(a+9)(a﹣9) D.a(a+3)(a﹣3) |
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