Evaluate
8\pi \approx 25.132741229
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\int 8\mathrm{d}x
Evaluate the indefinite integral first.
8x
Find the integral of 8 using the table of common integrals rule \int a\mathrm{d}x=ax.
8\pi -8\times 0
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.
8\pi
Simplify.
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Matrix
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Simultaneous equation
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Integration
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Limits
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