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Definition of Integral. Riemann Sum. Sum given by the formula. Integral. If f is defined on the interval [ a, b] and the limit exists, then this limit is called the definite integral of f from a to b . f(x) is called the integrand a is the lower limit b is the upp er limit.
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Riemann Sum Sum given by the formula
Integral If f is defined on the interval [ a, b] and the limit exists, then this limit is called the definite integral of f from a to b
f(x) is called the integrand a is the lower limit b is the upper limit
Example Express the Riemann sum below as an integral on the interval [ 0, π ]
Example Evaluate the integrals below