Home
Class 12
MATHS
If x=2cost-cos2t ,y=2sint-sin2t ,"f i n...

If `x=2cost-cos2t ,y=2sint-sin2t ,"f i n d"(d^2y)/(dx^2)"a t"t=pi/2dot`

A

`-5//2`

B

`-3//2`

C

`3//2`

D

`5//2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 4

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MCQS|50 Videos

  • PAIR OR STRAIGHT LINES

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MHT CET Corner|13 Videos

Similar Questions

Explore conceptually related problems

If x=2cost-cos2t,y=2sint-sin2t," then "(dy)/(dx)=

If x=2cott+cos2t,y=2sint-sin2t,"find "(dy)/(dx)"at t"=(pi)/(4)

If x=2cos t-cos2t,y=2sin t-sin2t,tind(d^(2)y)/(dx^(2)) at t=(pi)/(2)

If x=a(2cost+cos2t),y=a(2sint+sin2t)," then "(dy)/(dx)=

If x=2cos t-cos2t,quad y=2sin t-sin2t find (d^(2)y)/(dx^(2)) at t=(pi)/(2)

x= 2 cos t -cos 2t ,y=2 sin t-sin 2t Find d y / d x

If x=2cost-cos2t , y=2sint-sin2t ,then at t=(pi)/(4) , (dy)/(dx)=

If x=2cost-cos2t & y=2sint-sin2t , find the value of (d^2y//dx^2) when t=(pi//2) .

x=3cost-2cos^(3)t,y=3sint-2sin^(3)t

If x= 2cost+cos 2t,y=2sin t-sin 2t ,then " at " t= ( pi)/(4) ,(dy)/(dx)

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 5-MCQS
  1. If y=tan^(-1)sqrt(((1+sinx)/(1-sinx))),(pi)/(2)ltxltpi, then (dy)/(dx)...

    Text Solution

    |

  2. The function f(x)=|x-1|+|x-2| is

    Text Solution

    |

  3. If x=2cost-cos2t ,y=2sint-sin2t ,"f i n d"(d^2y)/(dx^2)"a t"t=pi/2dot

    Text Solution

    |

  4. Anil wants to invest at the most Rs.12000 in bonds. A and B. According...

    Text Solution

    |

  5. ~(p harr q) is a

    Text Solution

    |

  6. Three numbers are chosen from 1 to 20. Find the probability that they ...

    Text Solution

    |

  7. The chance of defective screws in three boxes A ,B ,Ca r e1//5,1//6,1/...

    Text Solution

    |

  8. Find the perpendicular distasnce of the point (1,0,0) from the lines (...

    Text Solution

    |

  9. The equation of the plane through (3,1,-3) and (1,-2,2) are parallel t...

    Text Solution

    |

  10. The projection of the line segment joining (2,5,6) and (3,2,7) on the ...

    Text Solution

    |

  11. If the sum of the slopes of the lines given by 4x^2+2lambdaxy-7y^2=4 i...

    Text Solution

    |

  12. A plane passes through the point (1,-2,3) and is parallel to the plane...

    Text Solution

    |

  13. let a,b, and c be three unit vectors such that a is perpendicular to t...

    Text Solution

    |

  14. If the lines represented by x^(2)-2pxy-y^(2)=0 are rotated abouu the o...

    Text Solution

    |

  15. The number of solutions of the equation x^(3)+x^(2)+4x+2sinx=0 in 0 le...

    Text Solution

    |

  16. The sum of the infinte series sin^(-1)(1/sqrt(2))+sin^(-1)((sqrt(2)-1)...

    Text Solution

    |

  17. The area Delta of a triangle ABC is given by Delta =a^2 -(b-c)^2 then...

    Text Solution

    |

  18. Which of the following statements is a tautology?

    Text Solution

    |

  19. The value of (cot54^(@))/(tan36^(@))+(tan20^(@))/(cot70^(@)) is

    Text Solution

    |

  20. With 1,omega,omega^(2) as cube roots of unity, inverse of which of the...

    Text Solution

    |