MathAnalytic geometry

Introduction to polar coordinates

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Choose a set of points in polar coordinates from the following, which describes the points that lie on the positive $x$ -axis.

$\mathbb{R_{+}}$ means $\{ x : x > 0\}$

Select one option from the list

(x, 0), \text { where } x \in \mathbb{R_{+}}

(x, x), \text { where } x \in \mathbb{R_{+}}

(x, \pi \cdot n), \text { where } n \in \mathbb{N}, x \in \mathbb{R_{+}}

(0, x), \text { where } x \in \mathbb{R_{+}}

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