展开 1/((2a+1)a^2)

解答

展开

\frac{1}{( 2 a + 1 ) a ^{2}}

\frac{1}{2 a ^{3} + a ^{2}}

求解步骤

\frac{1}{( 2 a + 1 ) a ^{2}}

乘开

(2 a + 1) a^{2} : 2 a^{3} + a^{2}

= \frac{1}{2 a ^{3} + a ^{2}}

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