Home
Class 12
MATHS
If x=int(0)^(oo)(dt)/((1+t^(2))(1+t^(201...

If `x=int_(0)^(oo)(dt)/((1+t^(2))(1+t^(2017)))`, then `(3x)/(pi)` is equal to

Text Solution

Verified by Experts

The correct Answer is:
`00000.75`

`00000.75`
Put `t=tantheta`
`implies int_(0)^(pi//2) (sec^(2)theta d theta)/(sec^(2) theta (1+tan^(2017)theta))=(pi)/4`
`implies(3x)/(pi)=3/4=0.75`
Promotional Banner

Topper's Solved these Questions

  • STRAIGHT LINE

    FIITJEE|Exercise NUMERICAL BASED|4 Videos
  • TIPS

    FIITJEE|Exercise NUERICAL DECIMAL BASED QUATIONS|20 Videos

Similar Questions

Explore conceptually related problems

If int_(0)^(x)f(t)dt=x^(2)+int_(x)^(1)t^(2)f(t)dt, then f'((1)/(2)) is

The value of int_(1//e)^(tanx)(t)/(1+t^(2))dt+int_(1//e)^(cotx)(1)/(t(1+t^(2)))dt , where x in (pi//6, pi//3 ), is equal to :

The value of int_((1)/(epsilon))^(tan x)(tdt)/(1+t^(2))+int_((1)/(epsilon))^(cot x)(dt)/(t(1+t^(2))), where x in((pi)/(6),(pi)/(3)), is equal to: (a)0(b) 2 (c) 1 (d) none of these

If f(x)=x+int_(0)^(1)t(x+t)f(t)dt, then the value of (23)/(2)f(0) is equal to

Let f:(0, oo) rarr R and F(x^(2))=int_(0)^(x^(2))f(t)dt. " If "F(x^(2))=x^(2)(1+x) , then f(4) is equal to ________________

If f(x)=int_(0)^(x)(sin^(4)t+cos^(4)t)dt, then f(x+pi) will be equal to

If f(x)=int_(1)^(x) (log t)/(1+t) dt"then" f(x)+f((1)/(x)) is equal to

If lim_(x rarr0)int_(0)^(x)(t^(2)dt)/((x-sin x)sqrt(a+t))=1, then a is equal to

If int_(1)^(x)(dt)/(|t|sqrt(t^(2)-1))=(pi)/(6) then x can be equal to

FIITJEE-TEST PAPERS-MATHEMATICS
  1. If cos^(-1)(2-x^(2))+sin^(-1)(2-x^(2))+tan^(-1)xge(2pi)/3 have no solu...

    Text Solution

    |

  2. If f(x)=(3x^(2)+1)/(sqrt(x^(4)+x^(2))) AA 0gtxlesqrt(2), then f(x) has...

    Text Solution

    |

  3. If x=int(0)^(oo)(dt)/((1+t^(2))(1+t^(2017))), then (3x)/(pi) is equal ...

    Text Solution

    |

  4. If log((3x+4))(4x^(2)+4x+1)+log((2x+1))(6x^(2)+11x+4)=4 then x is .

    Text Solution

    |

  5. If alpha is the root of the equation x-tanx=3 where alpha epsilon((pi)...

    Text Solution

    |

  6. Which of the following is/are incorrect?

    Text Solution

    |

  7. Let S(n)=sum(r=1)^(n)((r^(4)r^(3)n+r^(2)n^(2)+2n^(4))/(n^(5))) and T(n...

    Text Solution

    |

  8. Which of the following option(s) is/are incorrect?

    Text Solution

    |

  9. The most general solution of the differential equation (x+y(dy)/(dx))/...

    Text Solution

    |

  10. f(x)=2x^3-3x^2-x+3/2 then which of the following is/are incorrect? in...

    Text Solution

    |

  11. If inte^(xsec^(2)x-tanx)(x tanx -(sin2x)/2)dx=e^(f(x)).g(x)+c then whi...

    Text Solution

    |

  12. Column -1 : real valued function, Column -2: continuity of the functio...

    Text Solution

    |

  13. Column -1 : real valued function, Column -2: continuity of the functio...

    Text Solution

    |

  14. Column -1 : real valued function, Column -2: continuity of the functio...

    Text Solution

    |

  15. Column 1: real valued function, Column-2: domain of the function, Colu...

    Text Solution

    |

  16. Column 1: real valued function, Column-2: domain of the function, Colu...

    Text Solution

    |

  17. Column 1: real valued function, Column-2: domain of the function, Colu...

    Text Solution

    |

  18. If the value of A for which the equation cot^(3)A+cot^(2)A|cotA+x|+|c...

    Text Solution

    |

  19. Let f(x) be a differentiable and g(x) be a twice differentiable functi...

    Text Solution

    |

  20. Let f(x) be a non-constant thrice differential function defined on (-o...

    Text Solution

    |