If (1, a), (3, 9a), (4, b), (6, 18) are collinear, then (a,(b))/(a))=

1.  (6, 13)

2.  [6/7, 13]

3.  [6/7 , 13/7]

4.  (21 , 13)

View Answer  
4
Correct Answer :

[6/7, 13]


Explanation :
No Explanation available for this question

If A(1,2), B(-4,2). Number of points P in the plane such that

1.  0

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

2


Explanation :
No Explanation available for this question

If A(1,2),B(-4,2), Number of points P in the plane such that

1.  0

2.  2

3.  3

4.  4

View Answer  
4
Correct Answer :

4


Explanation :
No Explanation available for this question

Centroid of the triangle is (3,3) and orthocentre is (-3,5). Then centre of the nine point circle is

1.  ((3)/((2),(7))/(2))

2.  ((3)/((2),(5))/(2))

3.  (3,5)

4.  (5,3)

View Answer  
4
Correct Answer :

((3)/((2),(7))/(2))


Explanation :
No Explanation available for this question

The radius of nine point circle of the triangle whose vertices are (4,6),(0,4),(6,2) is

1.    √7/2

2.  √2

3.  √5/2

4.  5/√2

View Answer  
4
Correct Answer :

√5/2


Explanation :
No Explanation available for this question
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