लिखाचित्र खींचे-
`y-x=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

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

for every point (x,y,z) on the y-axis: (A) x=0,y=0 (B) x=0,z=0 (C) y=0,z=0 (D) y!=0,x=0,z=0

The asymptotes of the hyperbola x y=h x+k y are (1) x-k=0 and y-h=0 (2)x+h=0 and y+k=0 (3) x-k=0 and y+h=0 (4)x+k=0 and y-h=0

The asymptotes of the hyperbola x y=h x+k y are x-k=0 and y-h=0 x+h=0 and y+k=0 x-k=0 and y+h=0 x+k=0 and y-h=0

The asymptotes of the hyperbola x y=h x+k y are (1) x-k=0 and y-h=0 (2)x+h=0 and y+k=0 (3) x-k=0 and y+h=0 (4)x+k=0 and y-h=0

The asymptotes of the hyperbola x y=h x+k y are (a) x-k=0 and y-h=0 (b) x+h=0 and y+k=0 (c) x-k=0 and y+h=0 (d) x+k=0 and y-h=0