MCQ
$3 + 13 + 29 + 51 + 79 +...$ to $n$ terms $=:$
  • A
    $2 n^2+7 n^3$
  • B
    $n^2+5 n^3$
  • $ n^3+2 n^2$
  • D
    none of these

Answer

Correct option: C.
$ n^3+2 n^2$

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