Exact Differential Pattern

Rarely Tested

Exact Differential Pattern

If:

$$M(x)N'(x)+N(x)M'(x)$$

appears, recognize:

$$\frac{d}{dx}[M(x)N(x)]=M'(x)N(x)+M(x)N'(x)$$

Usage

- Used to identify products whose derivatives appear in the integrand.

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