Mathematics, 19.05.2021 18:50 thestuckone

What is the first part of the second step to prove that Sn 1 + 4 + 7 + ... + (3n - 2) = n(3n-1)/2? a. Verify that Sn is valid for n = 1 c. Assume that Sn is valid for n = k b. Show that Sn is valid for n = k d. Prove that Sn is valid for n = k + 1

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What is the first part of the second step to prove that Sn 1 + 4 + 7 + ... + (3n - 2) = n(3n-1)/2? a...

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