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a
a
f
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d
x
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{\displaystyle \int \limits _{a}^{a}f(x)dx=0}
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{\displaystyle \int \limits _{a}^{b}f(x)dx=-\int \limits _{b}^{a}f(x)dx}
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{\displaystyle \int \limits _{a}^{b}f(x)dx=\int \limits _{a}^{c}f(x)dx+\int \limits _{c}^{b}f(x)dx}
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g
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a
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g
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d
x
{\displaystyle \int \limits _{a}^{b}[f(x)\pm g(x)]dx=\int \limits _{a}^{b}f(x)dx\pm \int \limits _{a}^{b}g(x)dx}
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k
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d
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k
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a
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f
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d
x
{\displaystyle \int \limits _{a}^{b}kf(x)dx=k\int \limits _{a}^{b}f(x)dx}
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n
d
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n
x
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n
b
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n
a
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n
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a
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{\displaystyle \int \limits _{a}^{b}ndx=nx=nb-na=n(b-a)}