将多项式ax2-4ay2分解因式所得结果为( )A.a(x2-4y2)B.(ax+2y)(ax-2y)C.a(x+4y)(x-4y)D.a(x+2y)(x-2
题型:单选题难度:简单来源:不详
将多项式ax2-4ay2分解因式所得结果为( )A.a(x2-4y2) | B.(ax+2y)(ax-2y) | C.a(x+4y)(x-4y) | D.a(x+2y)(x-2y) |
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答案
ax2-4ay2=a(x2-4y2)=a(x+2y)(x-2y). 故选D. |
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