[" 1) "x>yquad " 2) "x=yquad " 3) "x=0=yquad " 4) "x

If O Aa n dO B are equal perpendicular chords of the circles x^2+y^2-2x+4y=0 , then the equations of O Aa n dO B are, where O is the origin. (a) 3x+y=0 and 3x-y=0 (b) 3x+y=0 and 3y-x=0 (c) x+3y=0 and y-3x=0 (d) x+y=0 and x-y=0

if OA and OB are equal perpendicular chords of the circles x^2 +y^2-2x+4y =0, then the equations of OA and OB are where O is the origin, (i) 3x+y=0 and 3x-y=0 (ii) 3x+y=0 and 3y-x=0 (iii) x+3y=0 and y-3x=0 (iv) x+y=0 and x-y=0

x- y + 3 = 0, 2x + 3y - 4 = 0 .

solve for x and y 2x-3y+7=0 3x+4y-5=0

Area of the parallelogram formed by 2 x^(2)+5 x y+3 y^(2)=0 and 2 x^(2)+5 x y+3 y^(2)+3 x+4 y+1=0 is

Area of the parallelograms formed by the lines 4 y - 3 x-a=0, 3 y-4 x+a =0 4 y-3 x-3 a=0,3 y-4 x+2 a=0

If OA and OB are equal perpendicular chords of the circles x^(2)+y^(2)-2x+4y=0, then the equations of OA and OB are,where O is the origin.3x+y=0 and 3x-y=03x+y=0 and 3y-x=0x+3y=0 and y-3x=0x+y=0 and x-y=0 and y-3x=0

The line 3x + 2y = 6 will divide the quadrilateral formed y the lines x + y = 5, y – 2x = 8, 3y + 2x = 0 & 4y – x = 0 in

sec^2theta=(4x y)/((x+y)^2) is true if and only if x+y!=0 (b) x=y ,x!=0 x=y (d) x!=0,y!=0