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\int 100\mathrm{d}x
Evaluate the indefinite integral first.
100x
Find the integral of 100 using the table of common integrals rule \int a\mathrm{d}x=ax.
100\times 1-100\times 0.8
The definite integral is the antiderivative of the expression evaluated at the upper limit of integration minus the antiderivative evaluated at the lower limit of integration.
20
Simplify.
Examples
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Matrix
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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