Calculate the Iterated Integral $\int _ { 1 } ^ { 2 } \left( \int _ { 0 } ^ { 1 } \frac { 1 } { x y + y } d x \right)$

question 20

Short Answer

Calculate the iterated integral $\int _ { 1 } ^ { 2 } \left( \int _ { 0 } ^ { 1 } \frac { 1 } { x y + y } d x \right)$ dy.
Enter in the form $( \ln a ) ^ { b }$ .

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Definitions:

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