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Great job, and congratulations for completing the section about integrals.

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So we have learned about different methods with different accuracy's to calculate the integral from

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a data set than we have discussed physical examples or we have calculated the rotational energy and

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the moment of inertia of different objects like a stick or a sphere.

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We have then calculated the magnetic field of a charged wire where we even have to use the concept of

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differentiation from the previous section.

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And then we have also recently discussed the concept of future transform.

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And even though we had a tiny example already, there will be a larger application of this concept in

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the later part of this course.

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So there we will calculate the characteristic frequencies of several coupled harmonic oscillators.