# MA 122: The SandBox

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## 2 thoughts on “MA 122: The SandBox”

1. Anonymous says:

Find
$$\int \ln \sqrt{x} \; dx$$

1. \begin{aligned} \int \ln \sqrt{x} \; dx & = \int \ln x^{1/2} \; dx \\ & = \frac{1}{2}\int \ln x\; dx \\ & = \frac{1}{2} ( x \ln x – x ) + C \end{aligned}