If 2 ak = 4 and E bk = 42, find the following values. k= 1 k= 1 n b Σ 38 Σ Σ E (ak + bx). E (ak - bk). E (bx-Sak) 42 k = 1 k =1 k= 1 k = 1 k = 1 2 3ak k = 1 (Simplify your answer.) n b. Σ 42 k = 1 (Simplify your answer.) Σ k = 1 (Simplify your answer.) Σ k = 1 (Simplify your answer.) E (- 9ak) =U k=1 (Simplify your answer.)

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