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Use ratio test on all questions (for example, #2 is geometric so you could figure it out that way). Show all steps and logic. show work for each problem and solve with ratio test.
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KAD Kti o R- lim jak 1= lim -koo antil kyo Kil (k+ 2) = 1 1x2121 - - - Put Given series converges for bel²<1 » belca -I<3<! x

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