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Reversing the order of integration: Sketch the region determined by the limits of the given iterated integrals, and then evaluate the integrals by reversing the order of integration.

∫0π∫xπsiny2dydx

Short Answer

Expert verified

∫0π∫xπsiny2dydx=1

Step by step solution

01

Draw the region

The region determined by the limits of the given iterated integral is shown below,

02

Reversing the order of integration 

From the above diagram, reversing the order of integration.

∫0π∫xπsiny2dydx⇒∫0π∫0ysiny2dydx

03

Evaluate the integral

I=∫0π∫0ysiny2dydxI=∫0πsiny2dy∫0ydxI=∫0πysiny2dyI=12-cosy20πI=121+1I=1

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