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Integration of un*du: Reciprocal of a radical of a linear, constant needed:

.

First we need to convert the radical to a power in the numerator:

This looks like a quantity raised to a power times the derivative of the quantity.

Let's try the General Power rule for integrals:
Let , .

Now the integral becomes


We now use the Scalar Multiple rule for integrals to get


We can use the General Power rule for integrals to get

Finally we substitute for u (as we defined it above) to get an answer in terms of x:


General Contents

Detailed Contents

Index