. Use the summation properties and rules to evaluate each series. (6 points) n(n+1)(2n+1) Summation Rules: ²₁1 = n; Σ²₁ i = n(n+1) 2 ; Σ=1 Find the sum: ₁(31² - 6i + 12) 15 =1 Sn, i2 =

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A: Note: As per our Guidelines we can solve first question.Please repost remaining questions.

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