Orthocentre of the triangle formed by the pair of lines `xy=0` and the lines `2x+3y+4=0` is

Orthocentre of the triangle formed by the lines xy=0 and x+y=1 is

Orthocentre of the triangle formed by the lines x+y=1 and x y=0 is

The orthocentre of the triangle formed by the lines xy=0 and x+y=1 is

The triangle formed by the pair of line 3x^2+48xy+23y^2=0 and the line 3x-2y+4=0 is

The orthocentre of the triangle formed by the line x^2-3y^2=0 and the line x=a is

The orthocentre of the triangle formed by the lines xy=0 and x+y=1 , is

If the area of the triangle formed by the pair of lines 8x^(2)-6xy+y^(2)=0 and the line 2x+3y=a is 7 then a=

If the area of the triangle formed by the pair of lines 8x^(2)-6xy+y^(2)=0 and the line 2x+3y=a is 7 then a=