MCQ
The distance of point $(1, 2, 3)$ from origin is
- A$1$
- B$2$
- C$3$
- ✓$\sqrt{14}$
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$A_1=\left\{(x, y): x^2+2 y^2 \leq 1\right\}$
$A_2=\left\{(x, y):\left|x^3\right|+2 \sqrt{2} \mid y^3 \leq 1\right\}$
$A_3=\{(x, y): \max (|x|, \sqrt{2}|y|) \leq 1\}$ Then,