Home
Class 12
MATHS
The co-ordinates of the focus of the pa...

The co-ordinates of the focus of the parabola described paraetrically by `x=5t^(2)+2,y=10 t+4` are

A

(7,4)

B

(3,4)

C

(3,-4)

D

(-7,4)

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2008

    WB JEE PREVIOUS YEAR PAPER|Exercise MULTIPLE CHOICE QUESTIONS|80 Videos

  • QUESTION PAPER 2010

    WB JEE PREVIOUS YEAR PAPER|Exercise DESCRIPTIVE TYPE QEUSTIONS|10 Videos

Similar Questions

Explore conceptually related problems

The coordinates of focus of the parabola 2y^2=-5x are

The coordinates of the focus of the parabola 2x^(2) =- 5y are _

The coordinates of the focus of the parabola 3y^(2) = 8 x are _

The coordinates of focus of the parabola y^(2) =- 5x are _

Find the focus of the parabola y=x^2+x+1 .

The coordinate of focus of the parabola x^(2) = (ab)/(a+b)* y are _

Find the focus of the parabola (y-3)^2=6(x-2)

The focus of the parabola y = 2x^(2) + x is

The focus of the parabola y = 2x^(2) + x is

The focus of the parabola y = 2x^(2) + x is

WB JEE PREVIOUS YEAR PAPER-QUESTION PAPER 2009-MULTIPLE CHOICE QUESTIONS
  1. If C is the reflection of A (2, 4) in x-axis and B is the reflection o...

    Text Solution

    |

  2. The value of cos15^(@)cos7(1^(@))/(2)sin7(1^(@))/(2) is

    Text Solution

    |

  3. The value of integral int(-1)^(1)(|x+2|)/(x+2)dx is

    Text Solution

    |

  4. The line y=2t^(2) intersects the ellipse (x^(2))/(9)+(y^(2))/(4)=1 in ...

    Text Solution

    |

  5. General solutio of sin x+cos x=min(a in R) {1,a^(2)-4a+6} is

    Text Solution

    |

  6. If A and B ar square matrices of the same order and AB=3I, =then A^(-...

    Text Solution

    |

  7. The co-ordinates of the focus of the parabola described paraetrically...

    Text Solution

    |

  8. For any two sets A and B, A-(A-B) equals

    Text Solution

    |

  9. If a=2sqrt2,b=6,A=45^(@) then

    Text Solution

    |

  10. A Mapping from IN to N is defined as follows: f:lNtolN f(n)=(n+5)^(...

    Text Solution

    |

  11. If in a triangle ABC,sin^2A+sin^2B+sin^2C=2 then the triangle is alway...

    Text Solution

    |

  12. int(dx)/(sinx+sqrt3cosx)

    Text Solution

    |

  13. The value of (1+cospi//6)(1+cospi//3)(1+cos2pi//3)(1+cos7pi//6) is

    Text Solution

    |

  14. If P=(1)/(2)sin^(2)theta+(1)/(3)cos^(2)theta then

    Text Solution

    |

  15. int(dx)/(sinx+cosx) equals

    Text Solution

    |

  16. If f(x)=f(a-x) then int(0)^(a)xf(x)dx is equal to

    Text Solution

    |

  17. The value of int(0)^(prop)(dx)/((x^(2)+4)(x^(2)+9)) is

    Text Solution

    |

  18. If I(1)int(0)^(pi//4)sin^(2)xdx and I(2)=int(0)^(pi//4)cos^(2)xdx, the...

    Text Solution

    |

  19. The second order derivative of a sin’t with respect to a cos^(3)t at ...

    Text Solution

    |

  20. The smallest value of costheta+12 is

    Text Solution

    |