L and L’are ends of the latus rectum of the parabola x2 = 6y. the equation of OL and OL’ where O is the origin is

1.  X2 + 4y2 = 0

2.  X2 – 4y2 = 0

3.  X2 + 2y2 = 0

4.  X2 – 2y2 = 0

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4
Correct Answer :

X2 – 4y2 = 0


Explanation :
No Explanation available for this question

L and L’are ends of the latus rectum of the parabola x2 = 6y. the equation of OL and OL’ where O is the origin is

1.  X2 + 4y2 = 0

2.  X2 – 4y2 = 0

3.  X2 + 2y2 = 0

4.  X2 – 2y2 = 0

View Answer  
4
Correct Answer :

X2 – 4y2 = 0


Explanation :
No Explanation available for this question

The coordinates of an end point of the laturectum of the parabola (y – 1)2 = 4(x + 1) are

1.  (0, -3)

2.  (0,-1)

3.  (0,1)

4.  (1,3)

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4
Correct Answer :

(0,-1)


Explanation :
No Explanation available for this question

The angle subtended by the double oridinate of length 8a of the parabola =y2

1.  π/3

2.  π/4

3.  π/2

4.  π/6

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4
Correct Answer :

π/2


Explanation :
No Explanation available for this question

If 2x + y + a = 0 is a focal chord of the parbola y2 + 8x = 0

1.  -4

2.  4

3.  -2

4.  4

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4
Correct Answer :

4


Explanation :
No Explanation available for this question

PQ is a double oridinate of the parabola y2 = 4x. the locus of its point of trisection is

1.  9y2 + 4x = 0

2.  4y2 =9x

3.  9x2 + 4y = 0

4.  9y2 = 4x

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4
Correct Answer :

9y2 = 4x


Explanation :
No Explanation available for this question

If p1,p2, p3 are the principal values of following trigonometric equations 1. sin θ=-1/2

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

If the roots of (b-c)x2+(c-a)x+(a-b)=0 are equal,then a,b,c are in

1.  A.P

2.  G.P

3.  H.P

4.  none

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4
Correct Answer :

A.P


Explanation :
No Explanation available for this question

A: The general solution for cos θ=3/2 is θ=2nπ ± cos-1(3/2) R: The general solution for cos θ=k is θ=

1.  both A and R are true and R is correct explanation of A

2.   both A and R are true and R is not correct explanation of A

3.  A is true but R is false

4.   A is false but R is true

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4
Correct Answer :

A is false but R is true


Explanation :
No Explanation available for this question

If the roots of a(b-c)x2+b(c-a)x+c(a-b)=0 are equal,then a,b,c are in

1.  A.P

2.  G.P

3.  H.P

4.  none

View Answer  
4
Correct Answer :

H.P


Explanation :
No Explanation available for this question
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