# If the circle x2  +  y2 = a2  intersects the hyperbola xy = c2 in four points (xi,&

1.  0

2.  c

3.  a

4.  c4

4

0

Explanation :
No Explanation available for this question

# The mid-point of the chord 4x - 3y = 5 of the hyperbola 2x2 - 3y2  = 12 is

1.  (0 ,  -5/3)

2.  (2, 1)

3.  (5/4 , 0)

4.  (11/4 , 2)

4

(2, 1)

Explanation :
No Explanation available for this question

# The points in the set lie on the curve which is a (where C denote the set of all complex numbers)

1.  circle

2.  pair of lines

3.  parabola

4.  hyperbola

4

circle

Explanation :
No Explanation available for this question

# The eccentricity of the conic 5/r  =  2 + 3 cos θ + 4 sin θis

1.  1/2

2.  1

3.  3/2

4.  5/2

4

5/2

Explanation :
No Explanation available for this question

# The perimeter of the triangle with vertices at(1,0 0), (0,1,0) and (0, 0, 1) is

1.  3

2.  2

3.  2√2

4.  3√2

4

3&#8730;2

Explanation :
No Explanation available for this question

# If a line in the space makes angles α, β and γ with the coordinate axes,  then cos 2α + cos 2β + cos 2γ + sin2α + sin 2

1.  -1

2.  0

3.  1

4.  2

4

1

Explanation :
No Explanation available for this question

# The image of the point (3,2,1) in the plane 2x - y + 3z= 7 is

1.  (1 , 2, 3)

2.  (2 , 3, 1)

3.  (3, 2 , 1)

4.  (2 , 1 , 3)

4

(3, 2 , 1)

Explanation :
No Explanation available for this question

# The radius of the sphere x2 + y2 + z2 = 12x + 4y + 3z is

1.  13/2

2.  13

3.  26

4.  52

4

13/2

Explanation :
No Explanation available for this question

1.  e

2.  e2

3.  e3

4.  e5

4

e<sup>3</sup>

Explanation :
No Explanation available for this question

1.  1/√2

2.  1/2

3.  1

4.  √3/2

4