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What is Nth Term and Sum of Sequences about?

The document provides three sequences and asks to find the nth term and sum of the first n terms for each sequence by using the progression of differences. For the first sequence, the nth term is 1/6(3n+H3) and the sum of the first n terms is 1/4(2n+3n-1). For the second sequence, the nth term is 4-22-n and the sum is 4(n+2-n-1). For the third sequence, the nth term is 1/6((−2)n+8) and the sum is 1/9(12n+(−2)n-1).

Author

fixfoxy

Language

EN