The system of circle x2+y2+2λx-5=0 is

1.  intersecting

2.  non intersecting

3.  touching

4.  none

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4
Correct Answer :

intersecting


Explanation :
No Explanation available for this question

The limiting points of coaxal system x2+y2+11x-5y-2+λ(x-y-1)=0 is

1.  (-2, -1), (0, -3)

2.  (2, 1)(-5, -6)

3.  (2, 1)(0,3)

4.  (5, 2)(5, 6)

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4
Correct Answer :

(-2, -1), (0, -3)


Explanation :
No Explanation available for this question

The limiting points of coaxal system x2+y2+5x+y+4+λ(x2+y2+10x-4y-1)=0 are

1.  (-2, -1), (0, -3)

2.  (1, 2)(3, 1)

3.  (1, 5)(5,3)

4.  (-7,-9)(3,-1)

View Answer  
4
Correct Answer :

(-2, -1), (0, -3)


Explanation :
No Explanation available for this question

If (2, 1 )is limiting point of the coaxal system of which x2+y2-6x-4y-3=0 is a member, then the other limiting point is

1.  (-5, -6)

2.  (5, 6)

3.  (3, 5)

4.  (-8, -13)

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4
Correct Answer :

(-5, -6)


Explanation :
No Explanation available for this question

If (2,3 )is limiting point of the coaxal system of circles whose common radical axis is the line x=1 then the other limiting point is

1.  (-3, -2)

2.  (3, -4)

3.  (0, 3)

4.  (0, -2)

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4
Correct Answer :

(0, 3)


Explanation :
No Explanation available for this question

If (3,2 )is limiting point of the coaxal system of circles whose common radical axis is 4x+2y=11, then the other limiting point is

1.  (1, 1)

2.  (2, 2)

3.  (2, 1)

4.  (3, 2)

View Answer  
4
Correct Answer :

(1, 1)


Explanation :
No Explanation available for this question

Two circles x2+y2-2x+6y+6=0 and x2+y2-5x+6y+15=0 touch each other. A limiting point of the coaxal system determined by them is

1.  (3/2, -3)

2.  (-3, -3)

3.  (2, -3)

4.  (3, -3)

View Answer  
4
Correct Answer :

(3, -3)


Explanation :
No Explanation available for this question

The coaxal system having limiting points (2,3), (-3, 2) is

1.  x2+y2-4x-6y+13+λ(5x+y)=0

2.  x2+y2-14x-18y+23+λ(14x+y)=0

3.  x2+y2-4x-6y-13+λ(5x-y)=0

4.  2x2+2y2+4x+6y+13+10λ(5x-6y)=0

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4
Correct Answer :

x2+y2-4x-6y+13+λ(5x+y)=0


Explanation :
No Explanation available for this question

The equation of the circle belonging to the coaxal system of which (1, 2)(4, 3) are the limiting points and passing through the origin is

1.  2x2+2y2-x-7y=0

2.  9x2+9y2-14x-30y+16=0

3.  9x2+9y2-52x+46y+105=0

4.  x2+y2+8x-2y+1=0

View Answer  
4
Correct Answer :

2x2+2y2-x-7y=0


Explanation :
No Explanation available for this question

The equation of the circle belonging to the coaxal system of which (2, -3)(0, -4) are the limiting points and passing through the point (2, -1) is

1.  2x2+2y2-x-7y=0

2.  92x2+9y2-14x-30y+16=0

3.  9x2+9y2-52x+46y+105=0

4.  x2+y2+8x-2y+1=0

View Answer  
4
Correct Answer :

9x2+9y2-52x+46y+105=0


Explanation :
No Explanation available for this question
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