1.  0

2.  1

3.  -1

4.  does not exist

4

0

Explanation :
No Explanation available for this question

# The equations of the tangents to the hyperbola 4x2-5y2 =20 which make an angle 900 with the transverse axis are

1.  y=√5x±√21

2.  y=√5x ±√11

3.  y=√7x ±√21

4.  y=√3x±√11

4

y=√3x±√11

Explanation :
No Explanation available for this question

# The point of contact of 5x+6y+1=0 to the hyperbola 2x2-3y2 =2 is

1.  (3,4)

2.  (-5,4)

3.  (-5,-4)

4.  (5,-4)

4

(-5,4)

Explanation :
No Explanation available for this question

# If ΔABC, r

1.  3s

2.  3

3.  3/?

4.  2/?

4

3

Explanation :
No Explanation available for this question

1.  1

2.  0

3.  -1

4.  none

4

0

Explanation :
No Explanation available for this question

# The point of contact of 5x+6y+1=0 to the hyperbola 2x2-3y2 =2 is

1.  (3,4)

2.  (-5,4)

3.  (-5,-4)

4.  (5,-4)

4

(-5,4)

Explanation :
No Explanation available for this question

# The number of tangents to x2/9-y2/4=1 through (6, 2) is

1.  0

2.  1

3.  2

4.  3

4

0

Explanation :
No Explanation available for this question

# In ΔABC, if c=900 then a2+b2/a2-b2 sin (A-B) =

1.  1

2.  2

3.  3

4.  4

4

1

Explanation :
No Explanation available for this question

# If m1, m2 are slopes of the tangents to the hyperbola x2/25-y2/16=1 which pass through the point (6, 2) then

1.  m1+ m2=24/11

2.  m1+ m2=48/11

3.  m1m2=28/11

4.  m1 m2=11/20

4

m1+ m2=24/11

Explanation :
No Explanation available for this question

1.  600

2.  300

3.  900

4.  none

4