`2x+3y=3,3x+2y=2`

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

If (x)/(y) = 3/4 , then (2x + 3y)/( 3x - 2y) = ?

2x + 3y = 8 , x - 2y + 3 = 0

{:(2x - 3y = - 13),(3x - 2y = - 12):}

Show that : |x y z x^2y^2z^2x^3y^3z^3|=x y z(x-y)(y-z)(z-x)dot

Solve the following system of equations by matrix method : 5x+7y+2=0 4x+6y+3=0 5x+2y=3 3x+2y=5 3x+4y-5=0 x-y+3=0 3x+y=19 3x-y=23 3x+7y=4 x+2y=-1 3x+y=7 5x+3y=12

Solve : (2x+3y)(3x+2y)

" (3) "2x-3y=9;2x+y=13

The expressions a-b+2x^(2)+y^(2)-xy,x^(3)-2y^(3)-3x^(2)y^(2)z etc.are trinomials.