Home
Class 12
MATHS
If 2f(x)- 3f(1/x) = x then int1^(e) f(x...

If 2f(x)- 3f(1/x) = x then ` int_1^(e) f(x) dx =`

A

`-((2+e^(2))/5)`

B

(2+e)/5

C

`(2+e^(2))/5`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • COORDINATE SYSTEMS, LOCUS AND STRAIGHT LINES

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|297 Videos
  • DIFFERENTIAL EQUATIONS

    HIMALAYA PUBLICATION|Exercise QUESTION BANK|206 Videos

Similar Questions

Explore conceptually related problems

If int_(-1)^(4) f(x) dx = 4 and int_(2)^(4) f(x) dx = 7 then int_2^(-1) f(x) dx =

If f(x) = f(a - x) , then int_0^(a) xf(x) dx is equal to :

If int_0^(a) f(2a-x) dx = mu and int_0^(a) f(x) dx = lambda , then int_0^(2a) f(x) dx =

If f((3x-4)/(3x+4)) = x +2 , then int f(x) dx =

If f(x) = f(pi + e - x) and int_e^(pi) f(x) dx = 2/(e + pi) , then int_e^(pi) xf(x) dx is equal to

If int f(x) dx = f(x) , then int {f(x)}^(2) dx =

Suppose f is such that f(-x) = -f(x) for all real x and int_0^(1) f(x) dx =5 , then int_(-1)^(0) f(t) dt =

If f(x) be a continous function for all real values of x and satisfies int_3^(x) f(t) dt = x^(2)/2 + int_x^(8) t^(2) f(t) dt then int_(-1/2)^(1) f(x) dx =

If f(x) is a quadratic polynomial such that f(0) = 2, f(0) = -3 and f'(0) = 4 , then int_(-1)^(1) f(x) dx equals:

HIMALAYA PUBLICATION-Definite Integrals and its Application-QUESTION BANK
  1. The value of the integral int0^(pi//2) (sin^(100) x - cos^(100) x) dx ...

    Text Solution

    |

  2. int(1)^(3)(x-1)(x-2)(x-3)dx=

    Text Solution

    |

  3. If 2f(x)- 3f(1/x) = x then int1^(e) f(x) dx =

    Text Solution

    |

  4. If [x] denote the greatest integer function , then , int(0)^(pi//6) (1...

    Text Solution

    |

  5. The value of the integral, int3^6 (sqrt(x))/(sqrt(9 - x) + sqrt(x))dx ...

    Text Solution

    |

  6. int0^(10pi) |sin x| dx is

    Text Solution

    |

  7. int(-pi)^(pi) (2x(1 + sin x))/(1 + cos^2 x) dx is :

    Text Solution

    |

  8. If In = int0^(pi//4) tan^n x dx, then lim(n to oo) n [In + I(n -2)] eq...

    Text Solution

    |

  9. If f(a + b - x) = fx, then inta^b x f(x) dx is equal to :

    Text Solution

    |

  10. The value of the integral I = int0^1 x (1 - x)^(n) dx is :

    Text Solution

    |

  11. Let d/(dx) F(x) = ((e^(sin x))/(x)) , x > 0. If int1^4 3/x e^(sin x^3)...

    Text Solution

    |

  12. If f(y) = e^(y), g(y) = y , y > 0 and F(t) = int0^t f(t - y) g(y) dy...

    Text Solution

    |

  13. Let f(x) be a function satisfying f'(x) = f(x) with f(0) = 1 and g(x) ...

    Text Solution

    |

  14. If f(x) = (e^x)/(1 + e^x) , I1 = int(f(-a))^(f(a)) x g {x(1 - x)} dx a...

    Text Solution

    |

  15. The value of I = int0^(pi//2) ((sin x + cos x)^2)/(sqrt(1 + sin 2x)) d...

    Text Solution

    |

  16. The value of int(-2)^3 |1 - x^2| dx is:

    Text Solution

    |

  17. If int0^pi x f (sin x)dx = A int0^(pi//2) f (sin x) dx, then A is :

    Text Solution

    |

  18. Let F : R to R be a differentiable function having : f(2) = 6, f'(2) =...

    Text Solution

    |

  19. int0^(pi) x f (sin x) dx is equal to :

    Text Solution

    |

  20. int(-3pi//2)^(-pi//2) [(x +pi)^3 + cos^2 (x + 3x)]dx is equal to :

    Text Solution

    |