Home
Class 12
MATHS
Ifint(log2)^x(dx)/(sqrt(e^x-1))=pi/6,"th...

`Ifint_(log2)^x(dx)/(sqrt(e^x-1))=pi/6,"then " x " is equal to"`
(a)4 (b) 1n 8 (c) 1n 4 (d) none of these

A

`e^(2)`

B

`1//e`

C

log 4

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • DEFINITE INTEGRALS

    OBJECTIVE RD SHARMA ENGLISH|Exercise Chapter Test 1|57 Videos
  • DEFINITE INTEGRALS

    OBJECTIVE RD SHARMA ENGLISH|Exercise Chapter Test 2|56 Videos
  • DEFINITE INTEGRALS

    OBJECTIVE RD SHARMA ENGLISH|Exercise Section II - Assertion Reason Type|12 Videos
  • CONTINUITY AND DIFFERENTIABILITY

    OBJECTIVE RD SHARMA ENGLISH|Exercise Exercise|87 Videos
  • DERIVATIVE AS A RATE MEASURER

    OBJECTIVE RD SHARMA ENGLISH|Exercise Exercise|26 Videos

Similar Questions

Explore conceptually related problems

Ifint_(log2)^x(dy)/(sqrt(e^y-1))=pi/6,"then " x " is equal to" (a)4 (b) 1n 8 (c) 1n 4 (d) none of these

Ifint_(log2)^x(dx)/(sqrt(e^x-1))=pi/6,"then " x " is equalto" 4 (b) 1n 8 (c) 1n 4 (d) none of these

f(x)=(1n(x^2+e^x))/(1n(x^4+e^(2x)))dotT h e n lim_(x->oo)f(x) is equal to (a) 1 (b) 1/2 (c) 2 (d) none of these

lim_(x->oo)n^2(x^(1/n)-x^(1/((n+1)))),x >0 , is equal to (a)0 (b) e^x (c) (log)_e x (d) none of these

IfS_n=[1/(1+sqrt(n))+1/(2+sqrt(2n))++1/(n+sqrt(n^2))],t h e n(lim)_(n rarr oo)S_n is equal to (a)log 2 (b) log4 (c)log 8 (d) none of these

If 8f(x)+6f(1/x)=x+5 and y=x^2(f(x), then (dy)/(dx) at x=-1 is equal to (a)0 (b) 1/(14) (c) -1/4 (d) None of these

int_1^(e^(17))(pi"sin"(pi(log)_e x))/x dx is equal to (A) 2 (B) -2 (C) 2//pi (D) none of these

If f^(prime)(x)=sqrt(2x^2-1) and y=f(x^2),t h e n(dy)/(dx) at x=1 is (a)2 (b) 1 (c) -2 (d) none of these

If sin^(-1)x+sin^(-1)y=pi/2,t h e n(1+x^4+y^4)/(x^2-x^2y^2+y^2) is equal to 1 (b) 2 (c) 1/2 (d) none of these

If sin^(-1)x+sin^(-1)y=pi/2,t h e n(1+x^4+y^4)/(x^2-x^2y^2+y^2) is equal to 1 (b) 2 (c) 1/2 (d) none of these

OBJECTIVE RD SHARMA ENGLISH-DEFINITE INTEGRALS-Exercise
  1. The value of the integral int(0)^(2a) (f(x))/(f(x)+f(2a-x))dx is equal...

    Text Solution

    |

  2. If int(0)^(1) (log(1+x)/(1+x^(2))dx=

    Text Solution

    |

  3. Ifint(log2)^x(dx)/(sqrt(e^x-1))=pi/6,"then " x " is equal to" (a)4 ...

    Text Solution

    |

  4. The value of the integral overset(pi)underset(0)int log(1+cos x)dx is

    Text Solution

    |

  5. The value of the integral overset(pi)underset(0)int(1)/(a^(2)-2a cos x...

    Text Solution

    |

  6. The integral int(0)^(pi//2) f(sin 2 x)sin x dx is equal to

    Text Solution

    |

  7. int(0)^(pi) k(pix-x^(2))^(100)sin2x" dx" is equal to

    Text Solution

    |

  8. The value of the integral int(2)^(4) (sqrt(x^(2)-4))/(x^(4))dx is

    Text Solution

    |

  9. The value of the integral int(0)^(pi)(1)/(a^(2)-2a cos x+1)dx (a gt1),...

    Text Solution

    |

  10. If fa n dg are continuous function on [0,a] satisfying f(x)=f(a-x)a n ...

    Text Solution

    |

  11. int0^(pi//2) x(sqrt(tan x)+sqrt(cot x))dx equals

    Text Solution

    |

  12. Choose the correct answer The value of the integral int1/3 1((x-x^3)^(...

    Text Solution

    |

  13. Evaluate: int0^(100pi)sqrt((1-cos2x))dxdot

    Text Solution

    |

  14. Evaluate: int(-1/2)^(1/2)[((x+1)/(x-1))^2+((x-1)/(x+1))^2-2]^(1/2)dx

    Text Solution

    |

  15. The value of the integral int(1//e)^(e) |logx|dx, is

    Text Solution

    |

  16. The value of int(0)^(pi//2) (sin 8x log cot x)/(cos 2x)dx, is

    Text Solution

    |

  17. The value of int(0)^(pi//2) x^(10) sin x" dx", is then the value of m...

    Text Solution

    |

  18. T h ev a l u eofint0^(pi/2)(dx)/(1+tan^3x)i s 0 (b) 1 (c) pi/2 (d...

    Text Solution

    |

  19. The value of int0^pi (sin(n+1/2)x)/(sin (x/2)) dx is, (a) n in I, n >...

    Text Solution

    |

  20. If (d(f(x)))/(dx) = g(x) AA x in [a, b] then int(a)^(b)f(x).g(x)dx is ...

    Text Solution

    |