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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.

∫04∫y4eyxdxdy

Short Answer

Expert verified

∫04∫y4eyxdxdy=8(e-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 

∫04∫y4eyxdxdy⇒∫04∫0xeyxdxdy

03

Evaluate the integral

I=∫04∫0xeyxdydxI=∫04eyx1/x0xdxI=∫04xe-1dxI=(e-1)x2204I=8(e-1)

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