5. Determine the exact sum of the following series. (a) (-2)"+3* 405 + 512 15 135 (b) 5+ + 4" 4096 1 (c) 2n=1 n2 + 5n + 6 (d) E-o (" (e) Ln=2 (f) En=1 5n-2 n2 + 2n. +

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A: option 3rd is correct

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A: NOTE: Refresh your page if you can't see any equations..For the geometric series, it is given that,…

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A: The given series is: (4x2-2)∑n=1∞nanxn-1 This can be solved as follows:

Q: I already solved A. Looking for help with B-D please

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