If in the general quadratic equation `f(x,y)=0,Delta=0` and `h^2=ab`, then the equation represents.

An express way is represented by equation x-y=0 and a highway is represented by equation x-y=-2 . Represent this situation geometrically.

x = 0 , y = 0 represent the equation of _

If roots of the equation a x^2+b x+c=0 be a quadratic equation and α,β are its roots then f(−x)=0 is an equation whose roots

If roots of the equation a x^2+b x+c=0 be a quadratic equation and α,β are its roots then f(−x)=0 is an equation whose roots

A: the quadratic equation whose roots are the reciprocals of the roots of 3x^2 - 7x +2=0 is 3x^2 +7x +2=0 R : the quadratic equation whose roots are the reciprocals of the roots of the quadratic equation f(x) is f(1/x)=0

The condition of representing the coincident lines by the general quadratic equation f(x,y)=0 , is

Solve the quadratic equation 2x^(2)-4x+3=0 by using the general expressions for the roots of a quadratic equation.

Solve the quadratic equation 2 x^(2)-4 x+3=0 by using the general expression for the roots of a quadratic equation.

The sides of a triangle are OA, OB, AB and have equations 2x-y=0, 3x+y=0, x-3y+10=0 , respectively. Find the equation of the three medians of the triangle and verify that they are concurrent.

Solve the quadratic equation 2x^2-4x+3=0 by using the general expressions for the roots of a quadratic equation.