Homework #1

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8 thoughts on “Homework #1

  1. question from a student:

    About the last example of the first lecture. After converting cos(2kx) into its exponential form, when we are trying to combine the two fractions, how do we know what to do? I mean, to do v = -n and then v = -m ?

  2. when doing question 3, will the summation change when I assume v=-n?

    In the class note it seems the summation will not change.

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