求解 41-40A | Microsoft Math Solver

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关于 A 的微分

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求值

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-40A^{1-1}

多项式的导数是其各项的导数之和。常数项的导数是 0。ax^{n} 的导数是 nax^{n-1}。

-40A^{0}

将 1 减去 1。

-40

对于任何项 t (0 除外)，均为 t^{0}=1。

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