[" Cáa "],[" actiud "9Ger" : "-],[2x-4+4=0" ,"x+y-1" so "]

Solve 2x-y+4=9 , 3x+2y-1=0

[" 24.If "M(x_(0),y_(0))" is the point on the curve "3x^(2)-4y^(2)=72" ,whic "],[" is nearest to the line "3x+2y+1=0" ,then the value "o],[[x_(0)+y_(0)" ) is equal to "," (2) "-3," (3) "9," (4) "-9],[" (1) "3," (3) "]]

Prove that (-1, 4) is the orthocentre of the triangle formed by the lines whose equations are : x-y+1=0, x-2y + 4=0 and 9x - 3y + 1 =0.

Find x ,\ y satisfying the matrix equations: [x-y 2 -2 4x6]+[3-2 2 1 0-1]=[6 0 0 5 2x+y5] (ii) [x y+2z-3]+[y4 5]=[4 9 12]

Prove that (-1,4) is the orthocentre of the triangle formed by the lines whose equations are : x-y+1=0 , x-2y+4=0 and 9x-3y+1=0

The locus of the centre of the circle which cuts the circles x^(2) + y^(2) + 4x - 6y + 9 = 0 " and " x^(2) + y^(2) - 4x + 6y + 4 = 0 orthogonally is

A circle S cuts three circles x^(2) + y^(2) - 4x - 2y + 4 = 0 , x^(2) + y^(2) - 2x - 4y + 1 = 0 " and " x^(2) + y^(2) + 4x + 2y + 1 = 0 orthogonally . Then the radius of S is

A circle S cuts three circles x^2 +y^2-4x-2y+4=0 x^2 +y^2-2x-4y+1=0 and x^2 +y^2+4x+2y+1=0 orthogonally. Then the radius of S is

Find the angle of intersection of the curves: x^2+y^2-4x-1=0 and x^2+y^2 - 2y - 9 =0

If the lines x +3y -9 = 0, 4x + by -2 = 0 and 2x -y -4 = 0 are concurrent , the b is equal to