Question 11 - Prove 1/1.2.3 + 1/2.3.4 + 1/3.4.5 .. + 1/n(n+1)(n+2)

3 4 2 5 6 3 A B

1 + 2 + 3 + 4 + 5 + …. = -1/12 – perpetual enigma Example let examples functions

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Example 3 - Let A = {1, 2, 3}, B = {3, 4} and C = {4, 5, 6}

1 + 2 + 3 + 4 + 5 + …. = -1/12 – Perpetual Enigma
1 + 2 + 3 + 4 + 5 + …. = -1/12 – Perpetual Enigma

Question 11 - Prove 1/1.2.3 + 1/2.3.4 + 1/3.4.5 .. + 1/n(n+1)(n+2)
Question 11 - Prove 1/1.2.3 + 1/2.3.4 + 1/3.4.5 .. + 1/n(n+1)(n+2)

Example 3 - Let A = {1, 2, 3}, B = {3, 4} and C = {4, 5, 6}
Example 3 - Let A = {1, 2, 3}, B = {3, 4} and C = {4, 5, 6}