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Comments on What is a dummy variable (in an integral)?

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What is a dummy variable (in an integral)?

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While I was learning about Gamma and Beta functions, I saw that they wrote that $x$ is dummy variable. What did they mean by that? I know that $x$ is changeable.

$$\Gamma[n]=\int_0^\infty e^{-x}x^{n-1} \mathrm dx$$

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1 comment thread

Do you perhaps mean that $x$ is a dummy *variable*? (3 comments)
Do you perhaps mean that $x$ is a dummy *variable*?
JRN‭ wrote over 3 years ago

Do you perhaps mean that $x$ is a dummy variable?

deleted user wrote over 3 years ago

JRN‭ Yes! $x$ is dummy variable that's what my book wrote.

JRN‭ wrote over 3 years ago

Please edit your question to use the correct term.