iv. f/6(sec²(x)) dx

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Q: = (1) cotr 1+csc.x

A: We will find the required.

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Q: integral

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Q: 10. Solve uxx + Uxt-20utt = 0, u(x, 0) = (x), u₁(x, 0) = (x).

A: Factor the operator as we did for the wave equation

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A:

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Q: III. WITHOUT SOLVING the given problem, DEFINE the variables and unknown quantities, and SET-UP ONLY…

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Q: Find the following limits: 1 1 a. lim S+x 5 x-0 x b. x²+1 lim x-1- |x-1| C. -2x lim x++∞ √9x²-3

A: Topic = Limits

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