定積分與廣義積分計算器

此計算器將嘗試計算定積分（即帶有上下限的積分），包含廣義積分，並顯示步驟。

Enter a function:

Integrate with respect to:

Enter a lower limit:

If you need `-oo`, type -inf.

Enter an upper limit:

If you need `oo`, type inf.

Please write without any differentials such as `dx`, `dy` etc.

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Solution

Your input: calculate $$$\int_{e o r z}^{e n o}\left( -1 \right)dx$$$

First, calculate the corresponding indefinite integral: $$$\int{\left(-1\right)d x}=- x$$$ (for steps, see indefinite integral calculator)

According to the Fundamental Theorem of Calculus, $$$\int_a^b F(x) dx=f(b)-f(a)$$$, so just evaluate the integral at the endpoints, and that's the answer.

$$$\left(- x\right)|_{\left(x=e n o\right)}=- e n o$$$

$$$\left(- x\right)|_{\left(x=e o r z\right)}=- e o r z$$$

$$$\int_{e o r z}^{e n o}\left( -1 \right)dx=\left(- x\right)|_{\left(x=e n o\right)}-\left(- x\right)|_{\left(x=e o r z\right)}=- e n o + e o r z$$$

Answer: $$$\int_{e o r z}^{e n o}\left( -1 \right)dx=- e n o + e o r z$$$

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Solution