The sum of $n$ arithmetic means between $a$ and $b$, is
The sum of $n$ arithmetic means between $a$ and $b$, is
- A
$\frac{{n(a + b)}}{2}$
- B
$n(a + b)$
- C
$\frac{{(n + 1)(a + b)}}{2}$
- D
$(n + 1)(a + b)$
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