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Which of the following is a factor of `(x+y)^3-(x^3+y^3)?`A. `x^2+y^2+2xy`B. `x^2+y^2-xy`C. `xy^2`D. `3xy` |
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Answer» Correct Answer - D `(x+y)^3-(x^3+y^3)=3xy(x+y)`. `therefore 3xy` is a factor of `(x+y)^3-(x^3+y^3)`. |
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