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Step-by-step Solution

Integrate $\frac{1}{1}+x^2$ from $-nfi$ to $nfi$

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Answer

$\frac{2}{3}i^{3}n^{3}f^{3}$

Step-by-step explanation

Problem to solve:

$\int_{-i\cdot n\cdot f}^{in\cdot f}\left(\frac{1}{1}+x^2\right)dx$
1

The integral of a sum of two or more functions is equal to the sum of their integrals

$\int_{-nfi}^{nfi}1dx+\int_{-nfi}^{nfi} x^2dx$
2

The integral of a constant is equal to the constant times the integral's variable

$\left[x\right]_{-nfi}^{nfi}+\int_{-nfi}^{nfi} x^2dx$

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Answer

$\frac{2}{3}i^{3}n^{3}f^{3}$
$\int_{-i\cdot n\cdot f}^{in\cdot f}\left(\frac{1}{1}+x^2\right)dx$

Main topic:

Definite integrals

Used formulas:

2. See formulas

Time to solve it:

~ 0.93 seconds

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