x^(2)+y^(2)+a(x+y)=0

Area of quadrilateral formed by two pair of lines x^(2)-y^(2)-3(x+y)=0 and x^(2)-y^(2)+3(x-y)=0 is

Angle between the lines sqrt(3)(x^(2)+y^(2))-4 x y=0 is

The pair of Lines h(x^(2)-y^(2))+p x y=0 bisects the angle between the pair a x^(2)+2 h x y+b y^(2)=0 then the value of p is

If k x^(2)-y^(2)+2 x-y=0 represents a pair of lines, then k=

Using integration find the area of the region {(x,y):x^(2)+y^(2) =ax,x,y>=0}

Using integration find the area of the region {x,y):x^(2)+y^(2) =ax,x,y>=0}

The length of the tangtnt from (0,0) to the circle 2x^(2)+2y^(2) +x-y+5=0 is

The circles x^(2)+y^(2)+6x+6y=0 and x^(2)+y^(2)-12x-12y=0