Home
Class 12
MATHS
If the function f:[1,oo)to[1,oo) is defi...

If the function `f:[1,oo)to[1,oo)` is defined by `f(x)=2^(x(x-1))` then `f^(-1)` is

A

`2^(-x (x-1))`

B

`(1)/(2) (1 + sqrt(1 + 4 log_(2) x))`

C

`(1)/(2) (1 - sqrt(1 + 4 log_(2) x))`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • FUNCTION

    MOTION|Exercise Exercise - 2 (Level-II)|6 Videos
  • FUNCTION

    MOTION|Exercise Exercise - 3|119 Videos
  • FUNCTION

    MOTION|Exercise Exercise - 1 ( JEE Main)|48 Videos
  • ELLIPSE

    MOTION|Exercise Exercise - 4 | Level-I Previous Year | JEE Main|20 Videos
  • HYPERBOLA

    MOTION|Exercise EXERCISE-4 (Level-II)|17 Videos

Similar Questions

Explore conceptually related problems

If the function f:[1,oo)->[1,oo) is defined by f(x)=2^(x(x-1)), then f^-1(x) is (A) (1/2)^(x(x-1)) (B) 1/2 sqrt(1+4log_2x) (C) 1/2(1-sqrt(1+4log_2x)) (D) not defined

If the function, f:[1,oo]to [1,oo] is defined by f(x)=3^(x(x-1)) , then f^(-1)(x) is

If the function f:[2,oo)rarr[-1,oo) is defined by f(x)=x^(2)-4x+3 then f^(-1)(x)=

If f:[1,oo)rarr[1,oo) is defined as f(x)=3^(x(x-2)) then f^(-1)(x) is equal to

Let f:[4,oo)to[4,oo) be defined by f(x)=5^(x^((x-4))) .Then f^(-1)(x) is

The function f : [0,oo)to[0,oo) defined by f(x)=(2x)/(1+2x) is

Let a function f:(1, oo)rarr(0, oo) be defined by f(x)=|1-(1)/(x)| . Then f is

MOTION-FUNCTION-Exercise - 2 (Level-I)
  1. If f : [0,oo)to [0,oo) and f(x) =(x)/(1+x), then f is

    Text Solution

    |

  2. Let f: (e, oo) -> R be defined by f(x) =ln(ln(In x)), then

    Text Solution

    |

  3. If f(x) = 2[x] + cosx, then f : R to R is (where [ * ] denotes great...

    Text Solution

    |

  4. If the real-valued function f(x) = px + sinx is a bijective function, ...

    Text Solution

    |

  5. Let S be the set of all triangles and R^+ be the set of positive real ...

    Text Solution

    |

  6. If g:[-2,2]vecR , where f(x)=x^3+tanx+[(x^2+1)/P] is an odd function, ...

    Text Solution

    |

  7. A function f(x)=(2x(sin x))/(2[(x+21 pi)/(pi)]-41)(1) Even function (...

    Text Solution

    |

  8. Let f(x)={:{(4, :, x lt-1),(-4x,:,-1 lex le 0):}. If f(x) is an even ...

    Text Solution

    |

  9. If the graph of the function f(x)=(a^(x)-1)/(x^(n)(a^(x)+1)) is symmet...

    Text Solution

    |

  10. If f(x)=sin(sqrt([a])x) (where [.] denotes the greatest integer functi...

    Text Solution

    |

  11. The fundamental period of function f(x) = [x] + [x + (1)/(3)] + [x + (...

    Text Solution

    |

  12. Let f: R to R be a periodic function such that f(T+x)=1" " where T...

    Text Solution

    |

  13. Fundamental period of the function f(x) = cos (sinx) + cos(cosx) is :

    Text Solution

    |

  14. If f(x+1)+f(x-1)=2f(x)a n df(0),=0, then f(n),n in N , is nf(1) (b) ...

    Text Solution

    |

  15. If 2f(xy) =(f(x))^(y) + (f(y))^(x) for all x, y in R and f(1) =3, then...

    Text Solution

    |

  16. No. of solution ge 7 for

    Text Solution

    |

  17. If the function f:[1,oo)to[1,oo) is defined by f(x)=2^(x(x-1)) then f^...

    Text Solution

    |

  18. Given below is graph of y = f(x) then

    Text Solution

    |

  19. Let f(x) = {{:(x + 1 , :, x £ 0) , (x , : , x gt 0):} and h (x) = |f(...

    Text Solution

    |

  20. Let {:f(x)= {(abs(x+1):,xlt1),(1-x:,x le 1):} and {:f(x)= {(x-2:, xlt0...

    Text Solution

    |