展开-(13)/(x^2(x^2+6x+13))

解答

展开

- \frac{13}{x ^{2} \cdot ( x ^{2} + 6 \cdot x + 13 )}

- \frac{13}{x ^{4} + 6 x ^{3} + 13 x ^{2}}

求解步骤

- \frac{13}{x ^{2} ( x ^{2} + 6 x + 13 )}

乘开

x^{2} (x^{2} + 6 x + 13) : x^{4} + 6 x^{3} + 13 x^{2}

= - \frac{13}{x ^{4} + 6 x ^{3} + 13 x ^{2}}

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