Evaluate 7 k+1 two ways as outlined in parts (a) and (b). using a telescoping series argument.

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7 k+1 two ways as outlined in parts (a) and (b). using a telescoping series argument. a. Evaluate k=1 b. EvaluateΣ 00 Σ k=1 7 - a. Write the nth term of the partial sum. 7 Sn = - 0 7 7 7 using a geometric series argument after first simplifying 4k 4k+1 by obtaining a common denomina 7 7 7 + + Remove parentheses and cancel adjacent terms of opposite sign. Sn = (Type an exact answer.) (Type an exact answer.) 7 k+1 two ways as outlined in parts (a) and (b). using a telescoping series argument. a. Evaluate k=1 b. EvaluateΣ 00 Σ k=1 7 - a. Write the nth term of the partial sum. 7 Sn = - 0 7 7 7 using a geometric series argument after first simplifying 4k 4k+1 by obtaining a common denomina 7 7 7 + + Remove parentheses and cancel adjacent terms of opposite sign. Sn = (Type an exact answer.) (Type an exact answer.)