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Simplify the fraction \(\dfrac{x^3 - y^3}{x^4 + x^2 y^2 + y^4}\)

 May 26, 2020
 #1
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Well,

You are probably supposed to have memorized the factorization for the difference of 2 cubes.

Look it up on the net if you do not know it.

 

Since you are told to simplify it is reasonable to assume that one of the 2 factors you of the numerator is also a factor of the denominator.

 

Use algebraic division to work out which one it is.

 

etc.

 

Please let guest finish this for him/her self. 

 May 26, 2020

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