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Jessica Wellington
University of Missouri - Columbia

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Integration Techniques - Intro

In mathematics, integration is one of the two main operations in calculus, with its inverse, differentiation, being the other. Given a function of a real variable, an antiderivative, integral, or integrand is the function's derivative, with respect to the variable of interest. The integrals of a function are the components of its antiderivative. The definite integral of a function from a to b is the area of the region in the xy-plane that lies between the graph of the function and the x-axis, above the x-axis, or below the x-axis. The indefinite integral of a function is an antiderivative of the function, and can be used to find the original function when given the derivative. The definite integral of a function is a single-valued function on a given interval. It can be computed by evaluating the definite integral of a function at every x in the domain of the function, then adding the results together.

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Video Transcript

um So the next topic that we're gonna talk about is some integration technique. So we're going to start with just some basic techniques. I'm going to do a quick video on just some not necessarily formulas, but some basic. Yeah, I guess they are forming a so formulas that are just good to know, to keep in your mind as we continue getting into some more complicated. They're girls. It's just forms of Vina girls that you're going to see often. So we're going to go over some basic techniques. Most of them will have some trig in them. Ah, couple will just be some that will make it easy to recognize when certain situations air happening. So that will be a really good video to check out. And then we're also going to talk about in this segment integration by parts and integration by parts. It's something that's gonna come up a lot, and it's going to be something that you're gonna have to get used to recognizing when it needs to be used. It is usually used when you need to simplify integral that air in the form of ffx times g avec. So when you have two functions being multiplied by each other. And we'll go over this a lot more in detail when we get into the lectured, lectured video of integration by parts. But when we have two functions, um, that are being multiplied and the other thing we're gonna want to check for Is that what they can either be integrated or derive take the derivative of on their own easily. So when we do integration by parts we're looking at, how easily ffx by itself can either be integrated or we could take the derivative of it and how easy G of X is to either integrate or take the derivative of eso. That's where we're going to go ahead and start getting into now.

Jessica Wellington
University of Missouri - Columbia
Calculus 2 / BC

Topics

Trig Integrals

Trig Substitution

Integrating Rational Functions

Improper Integrals

Sequences

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