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91Ó°ÊÓ

Which of the iterated integrals in Exercises below could correctly

be used to evaluate the double integral:

∫14∫26f(x,y)dxdy

Short Answer

Expert verified

The integral that will give correct value of ∬Rf(x,y)dAis∫14∫26f(x,y)dydx

Step by step solution

01

Given Information

Rectangular region is bounded byx=1,x=4,y=2andy=6

02

Consideration

Consider integral

∫14∫26f(x,y)dxdy

The inner integral is wrt xand limits of inner integral are of y.

Same is applicable for x.

The iterated integral will give incorrect value of∬Rf(x,y)dA

03

Simplification

If region is considered of type I keeping limits same, order of integration should be same.

Inner integral is wrt y.

Hence integral that will give correct value of∬Rf(x,y)dAis∫14∫26f(x,y)dydx

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