Processing Math: Done
Solution 2.1:5c
From Förberedande kurs i matematik 1
The fraction can be further simplified if it is possible to factorize and eliminate common factors from the numerator and denominator. Both numerator and denominator are already factorized to a certain extent, but we can go further with the numerator and break it up into linear factors by using the conjugate rule
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The whole expression is therefore equal to
Note: One can of course expand the expression to get