Q40 of 50 Page 220

Fill in the blanks

The equation of yz-plane is ________.

x = 0

Explanation:


∵ x coordinate gives the distance of a point from yz plane.


∴ x = 0 implies that the point lies on yz plane.


Thus, locus of a point for which x = 0 is the yz plane or we can say that equation of yz plane is x = 0.


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If a point P lies in yz-plane, then the coordinates of a point on yz-plane is of the form ________.

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If the point P lies on z-axis, then coordinates of P are of the form ________.

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The equation of z-axis, are ________.