Question: 2 dx a) Evaluate the integral by completing the square and using a substitution , -6x+10 b) Evaluate the integral by parts. ,x* Inx dx

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A: Please refer to the image below

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Q: Hi, I was wondering how to do this and what the work would look like. thank you!

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A: Recall: ∫ax+bn dx=1aax+bn+1n+1 +C ∫a2-x2 dx=1asin-1xa +xa2-x22+C

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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.