### Find each double integral over the rectangular re…

04:10
Problem 23

Find each double integral over the rectangular region $R$ with the given boundaries.
$$\iint \sqrt{x+y} d y d x ; \quad 1 \leq x \leq 3,0 \leq y \leq 1$$

$\frac{4}{15}\left(33-2^{5 / 2}-3^{5 / 2}\right)$

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