(a) Evaluate the Riemann sum for f(x) = x2 -x 0 ≤ x ≤2 with four subintervals, taking the sample points to beright endpoints. Explain, with the aid of a diagram, whatthe Riemann sum represents.
Riemann Sum
Riemann Sums is a special type of approximation of the area under a curve by dividing it into multiple simple shapes like rectangles or trapezoids and is used in integrals when finite sums are involved. Figuring out the area of a curve is complex hence this method makes it simple. Usually, we take the help of different integration methods for this purpose. This is one of the major parts of integral calculus.
Riemann Integral
Bernhard Riemann's integral was the first systematic description of the integral of a function on an interval in the branch of mathematics known as real analysis.
(a) Evaluate the Riemann sum for
f(x) = x2 -x 0 ≤ x ≤2
with four subintervals, taking the sample points to be
right endpoints. Explain, with the aid of a diagram, what
the Riemann sum represents.
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