Home
Class 12
MATHS
Let f(1)(x) = x/(x+1) AA x in R^(+), se ...

Let `f_(1)(x) = x/(x+1) AA x in R^(+)`, se of positive real numbers, For `k ge 2`, define
`f_(k)(x) = f_(k-1)(f_(1)(x)) AA x in R^(+)`
Then `f_(2020)(1/2020)` is equal to

A

`1/(4040)`

B

`1/(2020)`

C

`1/(4041)`

D

`1/(2021)`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SETS, RELATIONS AND FUNCTIONS

    MCGROW HILL PUBLICATION|Exercise EXERCISE (NUMERICAL ANSWER TYPE QUESTIONS )|20 Videos
  • SETS, RELATIONS AND FUNCTIONS

    MCGROW HILL PUBLICATION|Exercise QUESTION FROM PREVIOUS YEARS AIEEE/JEE MAIN PAPERS|50 Videos
  • SETS, RELATIONS AND FUNCTIONS

    MCGROW HILL PUBLICATION|Exercise EXERCISE ( LEVEL 1 (SINGLE CORRECT ANSWER TYPE QUESTIONS ))|30 Videos
  • QUADRATIC EQUATIONS

    MCGROW HILL PUBLICATION|Exercise Questions from previous Years. B - architecture entrance examination papers|16 Videos
  • STATISTICS

    MCGROW HILL PUBLICATION|Exercise QUESTION FROM PREVIOUS YEARS. B-ARCHITECTURE ENTRANCE EXAMINATION PAPERS|13 Videos

Similar Questions

Explore conceptually related problems

Let f: N to N be defined by f(x) = x-(1)^(x) AA x in N , Then f is

f(x)+2f(1-x)=x^(2)+2,AA x in R then f(x)=

If f: R to R be defined by f(x) =(1)/(x), AA x in R. Then , f is

f:R rarr R defined by f(x)=(x)/(x^(2)+1),AA x in R is

Let f(x)=x+f(x-1) for AA x in R.If f(0)=1, find f(100)

If f(x)+2f(1-x)=x^(2)+2AA x in R, then f(x) given as

If (x)+f(x+4)=f(x+2)+f(x+6)AA x in R, and f(5)=10 then sum_(r=1)^(100)f(5+8r) equal to

Let f(x) = 3x + 5 AA x in R, g^(-1)(x) = x^(3) +1 AA x in R , then (f^(-1).g)^(-1)(x) is equal to

Function f satisfies the relation f(x)+2f((1)/(1-x))=x AA x in R-{1,0} then f(2) is equal to

MCGROW HILL PUBLICATION-SETS, RELATIONS AND FUNCTIONS-EXERCISE ( LEVEL 2 (SINGLE CORRECT ANSWER TYPE QUESTIONS ))
  1. Let f(1)(x) = x/(x+1) AA x in R^(+), se of positive real numbers, For ...

    Text Solution

    |

  2. Let f: N to N be defined by f(x) = x-(1)^(x) AA x in N, Then f is

    Text Solution

    |

  3. Let f:[0, infty) to [0, infty) and g: [0, infty) to [0, infty) be two ...

    Text Solution

    |

  4. The domain of f(x) = sqrt(pi/2 - sin^(-1) (x+|x|)/3) is

    Text Solution

    |

  5. The domain of f(x) = tan^(-1) (1/sqrt(x^(12) -x^(9) + x^(6) - x^(3) +1...

    Text Solution

    |

  6. Let f:R to R be defined by f(x) = 5^(-|x|) - 5^(x) + sgn (e^(-x)) + ...

    Text Solution

    |

  7. Suppose p,q in R, and Let f(x) = x^(2) + px +q AA x inR If f(5+x) = ...

    Text Solution

    |

  8. Let sgn (x) denote the signum function of x. Let A = {x|x ne 1/2npi, n...

    Text Solution

    |

  9. Let S = {1, 2, 3, 4}. The number of functions f:S to S which satisfy ...

    Text Solution

    |

  10. Let a in R suppose f is defined by f(x) =(x-1)/(a+ 1-x^(2)) If range o...

    Text Solution

    |

  11. Let f : R to (1, infty) be defined by f(x) = log(5) (sqrt(3x^(2) - 4...

    Text Solution

    |

  12. Suppose a in R. Define f and g as follows: f(x) =(a^(2) - 4a + 3)x^(...

    Text Solution

    |

  13. Let f(x) = |x-2| AA x in R and g(x) =f(f(f(x))), then the number of so...

    Text Solution

    |

  14. Let f be a one-one function with domain {x,y,z} and range {1,2,3}. It ...

    Text Solution

    |

  15. Let f(x) = (x+2)^(2) - 4, x ge 2. Let S = {x : f(x) =f^(-1)(x)}, Then ...

    Text Solution

    |

  16. Let = [1, inftY). Define f :S to S by f(x) = 5^(x(x+1)) Then f^(-1)...

    Text Solution

    |

  17. Suppose a gt 0 and n in N is odd. Let f : R to R be defined by f(x) ...

    Text Solution

    |

  18. Let f : R to R be defined by f(x) = |2-x| - |x+1| The number of in...

    Text Solution

    |

  19. Let S= [a,b] where a lt b. Suppose f:S to [2,28] defined by f(x) = 5 s...

    Text Solution

    |

  20. Let A ={(x,y) in R xx R: y = 5^(x) + 12^(x)} B = {(x,y) in R xx R , ...

    Text Solution

    |