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In lesson the student will learn what. Math 144 12 an introduction to integral calculus. This is just a few minutes of complete course.
Practice this lesson yourself on khanacad. Sometimes we can integrate rational functions by using the method of completing square in denominator and then integrating usubstitution o. Concrete example using a line integral watch the next lesson.
By looking at the product rule for derivatives in reverse, we get a powerful integration tool. To find it exactly, we can divide into infinite rectangles infinitely smal. Worked example expressing the volume of a figure based on cross sections perpendicular to yaxis as definite integral (integrating with respect y).
Examples of calculating definite integrals polynomials using the fundamental theorem calculus and reverse power rule. Practice this lesson yourself on khanacad. The basic idea of integral calculus is finding area under a curve.