# If the distance between the points (acos48,0)and(0,acosl2) is d,thend2-a2=

1.   -a2 (√5 -1)/4

2.  -a2 (√5 +1)/4

3.  -a2 (√5 -1)/2

4.  -a2 (√5 +1)/2

4

-a2 (√5 +1)/2

Explanation :
No Explanation available for this question

# If  π/2 < α< π , then the distance between the points (tanα, 2), (0, 1) is

1.  cosecα

2.  –cosecα

3.  secα

4.  –secα

4

–secα

Explanation :
No Explanation available for this question

# If A = (t2,2t, B=1/t2 , -2/t ,S=(1,0) then 1/SA+1/SB=

1.  1

2.  2

3.  3

4.  4

4

1

Explanation :
No Explanation available for this question

# The coordinates of the point that is two-thirds away from (-4, 3) to (5, 7) is

1.  (17/2,3)

2.  (2, 17/3)

3.  (2, 3/17)

4.   (3, 2/17)

4

(2, 17/3)

Explanation :
No Explanation available for this question

# If A= (-2, 5), B = (3, 1) and P,Q are the points of trisection of  ¯AB, then mid point of ¯PQ is

1.  (2,3)

2.  (1/2,3)

3.  (-1/2,4)

4.  (1,4)

4

(1/2,3)

Explanation :
No Explanation available for this question

# The points A, B,P may or may not be collinear if

1.  PA :PB= 1 : 3

2.  P is the mid-point of ¯AB

3.  P is a point of trisection of ¯AB

4.  P divides ¯AB

4

PA :PB= 1 : 3

Explanation :
No Explanation available for this question

# The points A(l, 2), B(-3,4) , C(7, -1) are collinear. The ratio in which A divides ¯BC is

1.  2 : 3

2.  3 : 2

3.  - 2 : 3

4.  - 3 :2

4

2 : 3

Explanation :
No Explanation available for this question

# If A=(a ,2,), .B=(b, 3).then X-axis divides  in the ratio

1.  3 : 2 externally

2.  2 : 3 externally

3.  a : b externally

4.  b : a externally

4

2 : 3 externally

Explanation :
No Explanation available for this question

# The mid-points of AB, BC and CA of ABC are(6, -l), (-4, -3), (2, -5).The centroid of the ?ABCis

1.  (4, -9)

2.  (4/3,-3)

3.  (4, -12)

4.  (-4, 12)

4

(4/3,-3)

Explanation :
No Explanation available for this question

# Circum centre of thele formed by the points (3, 2), (3,-2), (5, 2) is

1.  (3,2)

2.  (4,0)

3.  (1,0)

4.  (-1,0)

4

(4,0)

Explanation :
No Explanation available for this question

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