عدد $\sqrt{29}$ عضو کدام مجموعه است؟
1 )
$\left\{ x\in \mathbb{R}\left| x \lt 5 \right. \right\}$
2 )
$\left\{ x\in \mathbb{R}\left| -x \gt 5 \right. \right\}$
$\left\{ x\in \mathbb{R}\left| -x \gt -6 \right. \right\}$
4 )
$\left\{ x\in \mathbb{Q}\left| x \lt 6 \right. \right\}$