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\frac{2mn}{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}+\frac{2m}{\left(m+n\right)\left(m-n\right)}-\frac{1}{m-n}
Faktorizirajte m^{3}+n^{3}. Faktorizirajte m^{2}-n^{2}.
\frac{2mn\left(m-n\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}+\frac{2m\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}-\frac{1}{m-n}
Če želite prišteti ali odšteti izraze, jih razširite na skupne imenovalce. Najmanjši skupni mnogokratnik \left(m+n\right)\left(m^{2}-mn+n^{2}\right) in \left(m+n\right)\left(m-n\right) je \left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right). Pomnožite \frac{2mn}{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)} s/z \frac{m-n}{m-n}. Pomnožite \frac{2m}{\left(m+n\right)\left(m-n\right)} s/z \frac{m^{2}-mn+n^{2}}{m^{2}-mn+n^{2}}.
\frac{2mn\left(m-n\right)+2m\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}-\frac{1}{m-n}
\frac{2mn\left(m-n\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)} in \frac{2m\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)} imata isti imenovalec, zato ju seštejte tako, da seštejete njuna števca.
\frac{2m^{2}n-2mn^{2}+2m^{3}-2m^{2}n+2mn^{2}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}-\frac{1}{m-n}
Izvedi množenje v 2mn\left(m-n\right)+2m\left(m^{2}-mn+n^{2}\right).
\frac{2m^{3}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}-\frac{1}{m-n}
Združite podobne člene v 2m^{2}n-2mn^{2}+2m^{3}-2m^{2}n+2mn^{2}.
\frac{2m^{3}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}-\frac{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}
Če želite prišteti ali odšteti izraze, jih razširite na skupne imenovalce. Najmanjši skupni mnogokratnik \left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right) in m-n je \left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right). Pomnožite \frac{1}{m-n} s/z \frac{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}.
\frac{2m^{3}-\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}
Ker \frac{2m^{3}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)} in \frac{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)} imata isti imenovalec, jih odštejte tako, da odštejete njihove števce.
\frac{2m^{3}-m^{3}+m^{2}n-mn^{2}-nm^{2}+n^{2}m-n^{3}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}
Izvedi množenje v 2m^{3}-\left(m+n\right)\left(m^{2}-mn+n^{2}\right).
\frac{m^{3}-n^{3}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}
Združite podobne člene v 2m^{3}-m^{3}+m^{2}n-mn^{2}-nm^{2}+n^{2}m-n^{3}.
\frac{\left(m-n\right)\left(m^{2}+mn+n^{2}\right)}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}
Faktorizirajte izraze, ki še niso faktorizirani v \frac{m^{3}-n^{3}}{\left(m+n\right)\left(m-n\right)\left(m^{2}-mn+n^{2}\right)}.
\frac{m^{2}+mn+n^{2}}{\left(m+n\right)\left(m^{2}-mn+n^{2}\right)}
Okrajšaj m-n v števcu in imenovalcu.
\frac{m^{2}+mn+n^{2}}{m^{3}+n^{3}}
Razčlenite \left(m+n\right)\left(m^{2}-mn+n^{2}\right).