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Incorrect Factorization in Limits Activity #35
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Quite right. This will be corrected in the next deployment (hopefully tonight?). Thanks for your hard work, and I apologize for the typos. |
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We can consider the limit component by component
lim(x,y)→(2,2)x2y−2yx−2=lim(x,y)→(2,2)(x−2)(x+2)yx−2=lim(x,y)→(2,2)y(x+2)=2(2+2)=8
x^2y-2yx does not factor to (x-2)(x+2)y. (x-2)(x+2)y = (x^2 -4)y
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