Evaluate the Integral $\int _ { x } x + 3 y d A$

question 50

Essay

Evaluate the integral $\int _ { x } x + 3 y d A$ , where R is the region in the first quadrant bounded by the y-axis, the line y = x and the circles $x ^ { 2 } + y ^ { 2 } = 25 , x ^ { 2 } + y ^ { 2 } = 16$

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