# The number of tangents to y2 =6x  through (-1,-1) is

1.  0

2.  1

3.  2

4.  3

4

2

Explanation :
No Explanation available for this question

1.  -1/2

2.  2

3.  1/2

4.  none of these

4

1/2

Explanation :
No Explanation available for this question

# The chord of contact of (2,1) w.r.t the parabola x2 = y is

1.  X + 4y + 3 = 0

2.  2x – 3y + 4 = 0

3.  3x + 2y + 4 = 0

4.  4x  - y – 1 = 0

4

4x  - y – 1 = 0

Explanation :
No Explanation available for this question

# The extreme value of x2-5x+6 is

1.  1/4

2.  -1/4

3.  1/2

4.  -1/2

4

-1/4

Explanation :
No Explanation available for this question

# The extreme value of 15+4x-3x2 is

1.  49/3

2.  -49/3

3.  47/3

4.  -47/3

4

49/3

Explanation :
No Explanation available for this question

# If a1,a2,a3,…….an R then (x-a1)2+(x-a2)2+……+(x-an)2 assumes its least value at x=

1.  a1+a2+……+an

2.  ( a1+a2+a3+……+an)

3.  n(a1+a2+……+an)

4.  none

4

none

Explanation :
No Explanation available for this question

# The polar of (-2,3) W.r.t the parabola y2 = 4x is

1.  2x – 3y – 4 = 0

2.  2x – y – 2 = 0

3.  3x – y + 4 = 0

4.  5x – 4y + 24 = 0

4

2x – 3y – 4 = 0

Explanation :
No Explanation available for this question

# The value of is

1.

2.

3.

4.  none of these

4

Explanation :
No Explanation available for this question

# The polar of (a,0) w.r.t the parabola y2 = 4ax is

1.  X = a

2.  X + a = 0

3.  Y = a

4.  Y + a = 0

4

X + a = 0

Explanation :
No Explanation available for this question

1.  10

2.    0 negative non positive non negative

3.  2

4.  none of these

4

0

negative

non positive

non negative

Explanation :
No Explanation available for this question

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