Home
Class 12
MATHS
If the focii of (x^(2))/(16)+(y^(2))/(4)...

If the focii of `(x^(2))/(16)+(y^(2))/(4)=1` and `(x^(2))/(a^(2))-(y^(2))/(3)`=1 coincide, then value of a is

A

`sqrt(3 )`

B

`(1)/(sqrt(3))`

C

2

D

3

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST PAPER -I

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos
  • MOCK TEST PAPER -III

    MODERN PUBLICATION|Exercise SELECT THE CORRECT ANSWER|60 Videos

Similar Questions

Explore conceptually related problems

If the foci of the ellipse (x^(2))/(16)+(y^(2))/(b^(2))=1 and the hyperbola (x^(2))/(144)-(y^(2))/(81)=(1)/(25) coincide then the value of b^(2) is

The sum of the squares of the eccentricities of the conics (x^(2))/(4) + (y^(2))/(3) =1 and (x^(2))/(4) -(y^(2))/(3) = 1 is

The ellipse (x^(2))/(25)+(y^(2))/(16)=1 and the hyperbola (x^(2))/(25)-(y^(2))/(16)=1 have in common

If (x+1, y-2)=(3,1), find the values of x and y.

If ( x+ 1,y -2) =(3,1) Find the values of x and y .

The eccentricity of the ellipse (x^(2))/(36)+ (y^(2))/(16)=1 is

If P is point on (x^(2))/(a^(2))+(y^(2))/(b^(2))=1 with focii S and S' then the maximum value of triangle SPS' is

Eccentricity of the hyperbola (x^(2))/(16)-(y^(2))/(25)=1 is

If 2x^(2)+2y^(2) +4x+5y+1=0 and 3x^(2)+3y^(2)+6x -7y+3k=0 are orthogonal ,then value of k is

Find the eccentricity of the elipse ( x^(2))/( 16)+ ( y^(2) )/( 9) =1

MODERN PUBLICATION-MOCK TEST PAPER -II-SELECT CORRECT ANSWER
  1. If m is the A.M of two distinct real number l and n (l,ngt 1) and...

    Text Solution

    |

  2. Let P-=(-1,0),Q-=(0,0) and R-=(3,3sqrt(3)) be three points. The equati...

    Text Solution

    |

  3. If the focii of (x^(2))/(16)+(y^(2))/(4)=1 and (x^(2))/(a^(2))-(y^(2...

    Text Solution

    |

  4. The mean of the data set somprising of 16 doeservatins is 16.If o...

    Text Solution

    |

  5. If tanx=3/4, pi lt x lt (3 pi)/(2), then the value of cos. x/2 is

    Text Solution

    |

  6. The logical equivalent proposition of p rArr q is

    Text Solution

    |

  7. If sin^(-1) (x - (x^(2))/(2 ) + (x^(3))/(4)….)+cos^(-1)(x^2-x^4/2+x^6/...

    Text Solution

    |

  8. cot^(1) sqrt(cos alpha) -tan^(-1) sqrt(cos alpha)= x then sin x

    Text Solution

    |

  9. Ifcos^(-1) x - cos ^(-1) (y)/(2) =alpha then 4x^(2) -4xy cos alpha+ ...

    Text Solution

    |

  10. If 0 lt x lt 1 then :

    Text Solution

    |

  11. If a, b and c are in A.P., then the value of |(x+2,x+3,x+a),(x+4,x+5,...

    Text Solution

    |

  12. If |(2a,x(1),y(1)),(2b,x(2),y(2)),(2c,x(3),y(3))| = (abc)/2 != 0 , th...

    Text Solution

    |

  13. The system of linear equation : x+y+z=6,x+2y+3z=10 and x+2y+az=6 ...

    Text Solution

    |

  14. If A is 3xx4 matrix and B is a matrix such that A'B and BA' are both d...

    Text Solution

    |

  15. The symmetric part of the matrix A=[(1,2,4),(6,8,2),(2,-2,7)] is

    Text Solution

    |

  16. If A is a matrix of order 3, such that A (adj A) = 10 I, then |adj A...

    Text Solution

    |

  17. underset(n to porp) (lim ) (1^(2) +2^(2) ………. +n^(2) (n)^(1//n))/( (n...

    Text Solution

    |

  18. lim ( xto 0 ) ( 1- cos x ) /( x^(2))

    Text Solution

    |

  19. The derivative of tan^(-1)[(sin x)/(1+cos x)] w.r.t tan^(-1) [(cos...

    Text Solution

    |

  20. (d)/(dx ) [cos^(2) cot^(-1) sqrt((2+x)/(2-x))] is :

    Text Solution

    |