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Which of the following is  a valid double integral? Group of answer choices∫05∫3𝑦𝑒3𝑥𝑑𝑦𝑑𝑥∫0𝑥∫324𝑥𝑑𝑥𝑑𝑦∫04∫33𝑥𝑒3𝑦𝑑𝑥𝑑𝑦∫01∫3𝑒𝑦4𝑥𝑑𝑥𝑑𝑦 PreviousNext

Question

Which of the following is a valid double integral?

Group of answer choices

  • 053ye3xdydx \int_0^5 \int_3^y e^{3x} dy \, dx
  • 0x324xdxdy \int_0^x \int_3^2 4x \, dx \, dy
  • 0433xe3ydxdy \int_0^4 \int_3^3 x e^{3y} \, dx \, dy
  • 013ey4xdxdy \int_0^1 \int_3 e^{y} 4x \, dx \, dy
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Solution

The valid double integral from the given options is ∫0^1∫3𝑒^𝑦4𝑥𝑑𝑥𝑑𝑦.

Here's why:

  1. ∫0^5∫3𝑦𝑒^3𝑥𝑑𝑦𝑑𝑥: This is not valid because the limits of the inner integral are not constants, but a variable (y). The limits of integration for the inner integral should be constants.

  2. ∫0^𝑥∫324𝑥𝑑𝑥𝑑𝑦: This is not valid because the limits of the outer integral are not constants, but a variable (x). The limits of integration for the outer integral should be constants.

  3. ∫0^4∫33𝑥𝑒^3𝑦𝑑𝑥𝑑𝑦: This is not valid because the limits of the inner integral are not constants, but a variable (x). The limits of integration for the inner integral should be constants.

  4. ∫0^1∫3𝑒^𝑦4𝑥𝑑𝑥𝑑𝑦: This is valid because the limits of both the inner and outer integrals are constants.

This problem has been solved

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Which of the following is  a valid double integral? Group of answer choices∫05∫3𝑦𝑒3𝑥𝑑𝑦𝑑𝑥∫0𝑥∫324𝑥𝑑𝑥𝑑𝑦∫04∫33𝑥𝑒3𝑦𝑑𝑥𝑑𝑦∫01∫3𝑒𝑦4𝑥𝑑𝑥𝑑𝑦 PreviousNext

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