True or False :
The equation `y^2 +z^2 = 0` represents the YZ-plane.

True or false: The differential equation (d^2x)/(dy^2)=0 represents a family of straight line.

Write whether the following statement is True or False ? Justify your answers : The graph represents the linear equation x + y = 0.

If z is a comlex number in the argand plane, the equation |z-2|+|z+2|=8 represents

state whether it is true or false: the differential equation of all lines in a plane is (d^2y)/(dx^2) =0

In complex plane, the equation |z+ bar z|=|z- bar z| represents :

The equation of yz-plane is equal to :

In the figure, find the reflection of P(x, y, z) in the: YZ-plane.

State True/False: The region represent by x le 0, y le 0 is thye third quadrant.

True or false: Differential equation of the family of rectangular hyperbolas represented by xy=k^2 is x(dy)/(dx)+y=0 .