derivative 2-x

解答

导数

2 - x

- 1

求解步骤

\frac{d}{d x} (2 - x)

使用微分加减法定则:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (2) - \frac{d x}{d x}

\frac{d}{d x} (2) = 0

\frac{d x}{d x} = 1

= 0 - 1

化简

= - 1

\int (x + 1) sin (x^{2} + 2 x) d x

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