2. 5x 2 -4 [4, o) )(-00, 1] or [4, o) D[1, 4] )(-0∞, 1]

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Q: +oo 2" Use an appropriate test to determine if the series converges or diverges. n+en n=1

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Q: 15. (ez + e-z)2 dx.

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A: The given question has been solved in detail and option C is the correct answer. 

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