[x-3y-3=0],[3x-9y-2=0]

Which of the following pairs of linear equations has unique solution, no solution, or infinitely many solution, no solution, or infinitely many solutions. In case there is a unique solution, find it by using cross multiplication method. x-3y-3=0 and 3x-9y-2=0

Solve the following system of homogeneous equations. 3x+2y+7z=0,4x-3y-2z=0, 5x+9y+23z=0

The area of the parallelogram formed by the lines 2x-3y+a=0, 3x-2y-a=0, 2x-3y+3a=0 and 3x-2y-2a=0 in square units , is

The area of the parallelogram formed by lines 2x-y+3=0, 3x+4y-6=0,2x-y+9=0, 3x+4y+4=0 is (in sq units)

If y-3=0,x-3y+9=0 and 3x-2y+1=0x+y-3=0,x-3y+9=0 and 3x-2y+1=0 are sides of triangle then area of triangle.

Solve the following systems of linear homogenous equations : 3x+2y+7z=0 , 4x-3y-2z=0 and 5x+9y+23z=0

Classify the following pairs of lines as coincident,parallel or intersecting: x+2y-3=0 and -3x-6y+9=0x+2y+1=0 and 2x-4y+3=03x-2y+5=0 and 2x+y-9=0

{:(x - 3y = 3),(3x - 9y = 2):}

The radical centre of the circles x^2+y^2-x+3y-3=0 , x^2+y^2-2x+2y-2=0, x^2+y^2+2x+3y-9=0