Home
Class 14
MATHS
If 2sin((pi)/(2))=x^(2)+(1)/(x^(2)), th...

If `2sin((pi)/(2))=x^(2)+(1)/(x^(2))`, then the value of `(x-(1)/(x))` is

A

1

B

0

C

`-1`

D

2

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • 2011 TIER-II PAPER(23)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

  • 2013 TIER-II PAPER(20)

    CHAMPION PUBLICATION|Exercise EXERCISE|100 Videos

Similar Questions

Explore conceptually related problems

A function y=f(x) satisfies f''(x)=-(1)/(x^(2))-pi^(2)sin(pi x)f'(2)=pi+(1)/(2) and f(1)=0 then value of f((1)/(2)) is

Find the value of int_(-1)^(2)|x sin pi x|dx

If y=sin^(-1)(sin x),-(pi)/(2)<=x<=(pi)/(2). Then, write the value of (dy)/(dx) for x in(-(pi)/(2),(pi)/(2))

A function y=f(x) satisfies f(x)=-(1)/(x^(2))-pi^(2)sin(pi x);f'(2)=pi+(1)/(2) and f(1)=0. The value of f((1)/(2))

If minimum value of (sin^(-1)x)^(2)+(cos^(-1)x)^(2) is (pi^(2))/(k), then value of k is

If int_(0)^((pi)/(2))(dx)/(1+sin x+cos x)=In2, then the value of int_(0)^((pi)/(2))(sin x)/(1+sin x+cos x)dx is equal to:

If (sin^(-1)x)^(2)+(cos^(-1)x)^(2)=(5 pi^(2))/(8) then one of the values of x is

If tan^(-1)(x^(2)+3|x|-4)+cot^(-1)(4pi+sin^(-1)sin14)=(pi)/(2) , then the value of sin^(-1)(sin2x) can be equal to

If sin^(-1)((1+x^(2))/(2x))=(pi)/(2)sec(x-1), then number of values of x satisfying the equation is

CHAMPION PUBLICATION-2012 TIER-II PAPER(22)-EXERCISE
  1. If 0^@ lt theta lt 90^@, then the value of sin theta + cos theta is

    Text Solution

    |

  2. An aeroplane when flying at a height of 5000 m from the ground ...

    Text Solution

    |

  3. The angles of a triangle are in Arithmetic Progression. The ratio of t...

    Text Solution

    |

  4. Suppose DeltaABC be a right-angled triangle where angleA= 90^@ and AD ...

    Text Solution

    |

  5. Two circles touch each other externally at P. AB is a direct common ta...

    Text Solution

    |

  6. The length of the common chord of two intersecting circles is 24 cm. I...

    Text Solution

    |

  7. In DeltaABC, D and E are points on AB and AC respectively such that DE...

    Text Solution

    |

  8. The area of the square inscribed in a circle of radius 8 cm is

    Text Solution

    |

  9. X and Y are centres of circles of a radii 9 cm and 2 cm respectively, ...

    Text Solution

    |

  10. I is the incentre of a triangle ABC. If /ABC = 65^@ and /ACB = 55^@, t...

    Text Solution

    |

  11. If the radii of two circles be 6 cm and 3 cm and the length of the tra...

    Text Solution

    |

  12. The ratio between the number of sides of two regular Polygons is 1:2 a...

    Text Solution

    |

  13. Find minimum value of sin^(2)theta+cosec^(2)theta+cos^(2)theta+sec^(...

    Text Solution

    |

  14. If 2sin((pi)/(2))=x^(2)+(1)/(x^(2)), then the value of (x-(1)/(x)) i...

    Text Solution

    |

  15. The expression (tan 57^@ + cot37^@)/(tan 33^@ + cot 53^@) is equal to

    Text Solution

    |

  16. The bar chart given below shows the percentage distribution of the pro...

    Text Solution

    |

  17. The bar chart given below shows the percentage distribution of the pro...

    Text Solution

    |

  18. The bar chart given below shows the percentage distribution of the pro...

    Text Solution

    |

  19. The bar chart given below shows the percentage distribution of the pro...

    Text Solution

    |

  20. The bar chart given below shows the percentage distribution of the pro...

    Text Solution

    |