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(50 POINTS) Express each sum using summation notation.
14. 3 + 3^2/2 + 3^3/3 ... + 3^n/n
15. 1 + 3 + 5 + 7 +... [2(12) - 1]


50 POINTS Express Each Sum Using Summation Notation 14 3 322 333 3nn 15 1 3 5 7 212 1 class=