# The normal of the circle (x-2)2+(y-1)2=16 which bisects the chord cut off by the line x-2y-3=0

1.  2x-y-3=0

2.  2x+y-5=0

3.  2x+y-4=0

4.  2x+y+3=0

4

2x+y-5=0

Explanation :
No Explanation available for this question

# The number of feet of normals from the point (7,-4) to the circle x2+y2=5 is

1.  4

2.  3

3.  2

4.  1

4

2

Explanation :
No Explanation available for this question

# If the line 4x+3y+k=0 is a normal to the circle 2x2+2y2+7x+4y+8=0 then k=

1.  -20

2.  10

3.  20

4.  -10

4

10

Explanation :
No Explanation available for this question

# Tangents OA and OB are drawn to the circle x2+y2+gx+fy+c=0 from O(0,0). The equation of the circum circle of the OAB is

1.  2x2+2y2+gx+fy=0

2.  2x2+2y2-gx-fy=0

3.  x2+y2+gx+fy=0

4.  x2+y2-gx-fy=0

4

2x2+2y2+gx+fy=0

Explanation :
No Explanation available for this question

# The length of the intercept made by the normal at (1,6) of the circle x2+y2-4x-6y+3=0 between the coordinate axes is

1.  √(5/2)

2.  3√10

3.  2√5

4.  √5

4

3√10

Explanation :
No Explanation available for this question

# The area of the triangle formed by the tangent and normal at (x1,y1) on the circle x2+y2=a2 and X-axis is

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# If normal at (1,1) on 2x2+2y2-2x-5y+k=0 is x+2y-3=0 then k=

1.  3

2.  -6

3.  6

4.  -3

4

3

Explanation :
No Explanation available for this question

# The angle between the normals at (1,3),(-3,1) to the circle x2+y2=10 is

1.  π/6

2.  π/4

3.  π/3

4.  π/2

4

π/2

Explanation :
No Explanation available for this question

# The area of the triangle formed by the tangent and normal at (2,4) on the circle x2+y2=20 and X-axis (in sq.units) is

1.  60

2.  20

3.  40

4.  10

4

20

Explanation :
No Explanation available for this question

1.  4

2.  3

3.  2

4.  1

4