Teaching UP TGT Mock Test Series 2025 Mathematics Sequences and Series Arithmetic Progressions

nth term of the series 2 + 4 + 7 + 11 + _______ will be

1
\(\frac{{{n^2} + n + 1}}{2}\)
2
n2 + n + 2
3
\(\frac{{{n^2} + n + 2}}{2}\)
4
\(\frac{{{n^2} +2n + 2}}{2}\)
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