展开 x''+100x(1+10x^2)

解答

展开

x^{''} + 100 \cdot x \cdot (1 + 10 x^{2})

x'' + 1000 x^{3} + 100 x

求解步骤

x^{''} + 100 x (1 + 10 x^{2})

乘开

100 x (1 + 10 x^{2}) : 1000 x^{3} + 100 x

= x^{''} + 1000 x^{3} + 100 x

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