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Incorrect Factorization in Limits Activity #35

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stevesf9 opened this issue Mar 21, 2014 · 1 comment

stevesf9 commented Mar 21, 2014

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

Collaborator

StevenGubkin commented Mar 21, 2014

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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