# The pole of the line ax+by+3a2+3b2=0 w.r.t to the circle x2+y2+2ax+2by-a2-b2=0 is

1.  (2a, 2b)

2.  (-2a, -2b)

3.  (-2a, 2b)

4.  (2a, -2b)

4

(-2a, -2b)

Explanation :
No Explanation available for this question

# If (1, a), (b, 2) are conjugate points with respect to the circle x2+y2=25, then 4a+2b=

1.  25

2.  50

3.  100

4.  150

4

50

Explanation :
No Explanation available for this question

# If the points (k, 1), (2, -3) are conjugate w.r.t x2+y2+4x-6y-12=0 then k=

1.  -3

2.  2/3

3.  5/4

4.  1

4

5/4

Explanation :
No Explanation available for this question

# The points (4, -2), (3, b) are conjugate w.r.t x2+y2=24 if b=

1.  6

2.  -6

3.  12

4.  -4

4

-6

Explanation :
No Explanation available for this question

1.  1/4 log 3

2.  1/2 log 3

3.  log 3

4.  2 log 3

4

1/4 log 3

Explanation :
No Explanation available for this question

# For the circle x2+y2-2x-4y-4=0 the lines 2x+3y-1=0, 2x+y+5=0 are

1.  perpendicular tangents

2.  conjugate

3.  parallel tangents

4.  none

4

conjugate

Explanation :
No Explanation available for this question

# For the circle x2+y2-6x-6y+5=0 the lines 3x+y-2=0, x+7y-11=0 are

1.  perpendicular tangents

2.  conjugate

3.  parallel tangents

4.  none

4

perpendicular tangents

Explanation :
No Explanation available for this question

# If the lines x+2y+k=0, x+y-3=0 are conjugate w.r.t the circle x2+yu2=9 then k=

1.  3

2.  -9

3.  -3

4.  5

4

-9

Explanation :
No Explanation available for this question

1.  π/3

2.  π/4

3.  π/2

4.  2π

4

π/2

Explanation :
No Explanation available for this question

1.  4

2.  -9

3.  -3

4.  -5

4