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Cyletix小于 1 分钟

满足线性

  1. [u(x)±v(x)]′=u′(x)±v′(x) [u(x)\pm v(x)]' = u'(x)\pm v'(x)

  2. [u(x)⋅v(x)]′=u′(x)v(x)+u(x)v′(x) [u(x)\cdot v(x)]'=u'(x)v(x)+u(x)v'(x)

  3. [u(x)v(x)]′=u′(x)⋅v(x)−u(x)v′(x)v2(x) [\frac{u(x)}{v(x)}]'=\frac{u'(x)\cdot v(x)-u(x)v'(x)}{v^2(x)}