Introduction
Category : JEE Main & Advanced
Co-ordinates of a point are the real variables associated in an order to a point to describe its location in some space. Here the space is the two dimensional plane.
The two lines \[XOX'\] and \[YOY'\] divide the plane in four quadrants. \[XOY,\text{ }YOX',\text{ }X'OY',\text{ }Y'OX\] are respectively called the first, the second, the third and the fourth quadrants. We assume the directions of \[OX,\,OY\] as positive while the directions of \[OX',\text{ }OY'\] as negative.
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