Tauwehe
\left(x-3\right)\left(x^{2}+3x+9\right)
Aromātai
x^{3}-27
Graph
Tohaina
Kua tāruatia ki te papatopenga
\left(x-3\right)\left(x^{2}+3x+9\right)
Tuhia anō te x^{3}-27 hei x^{3}-3^{3}. Ka taea te rerekētanga o ngā pūtoru te whakatauwehe mā te whakamahi i te ture: a^{3}-b^{3}=\left(a-b\right)\left(a^{2}+ab+b^{2}\right). Kāore te pūrau x^{2}+3x+9 i whakatauwehea i te mea kāhore ōna pūtake whakahau.
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}