Home
Class 12
MATHS
If f(x) in [1,2] where x in R and for a ...

If `f(x) in [1,2]` where `x in R` and for a fixed positive real number `p`, `f(x+p)=1+sqrt(2f(x)-{f(x)}^2)` for all `x in R` then prove that `f(x)` is a periodic function

Promotional Banner

Topper's Solved these Questions

  • Function

    A DAS GUPTA|Exercise Exercise|57 Videos
  • Equations, Inequation and Expressions

    A DAS GUPTA|Exercise Exercise|301 Videos
  • Heights and Distances

    A DAS GUPTA|Exercise Exercise|3 Videos

Similar Questions

Explore conceptually related problems

If f(x)in[1,2] where x in R and for a fixed positive real number pf(x+p)=1+sqrt(2f(x)-{f(x)}^(2)) for all x in R then prove that f(x) is a periodic function

Let f(x) be periodic and k be a positive real number such that f(x+k)+f(x)=0 for all x in R. Prove that f(x) is periodic with period 2k .

If (x+(1)/(2))+f(x-(1)/(2))=f(x) for all x in R, then the period of f(x) is

Let f(x) be periodic and k be a positive real number such that f(x+k)+f(x)=0 for all x in R. Then the period of f(x) is

If a,b are two fixed positive integers such that f(a+x)=b+[b^(3)+1-3b^(2)f(x)+3b{f(x)}^(2)-{f(x)}^(3)]^((1)/(3)) for all real x, then prove that f(x) is periodic and find its period.

If R is the set of real numbers and a function f: R to R is defined as f(x)=x^(2), x in R , then prove that f is many-one into function.

Let f be a real vlaued fuction with domain R such that f(x+1)+f(x-1)=sqrt(2)f(x) for all x in R , then ,

Let R^(+) be the set of all positive real numbers. Let f : R^(+) to R^(+) : f(x) =e^(x) for all x in R^(+) . Show that f is invertible and hence find f^(-1)

Let f:R rarr R-{3} be a function such that for some p>0,f(x+p)=(f(x)-5)/(f(x)-3) for all x in R. Then,period of f is

If f(a+b+1-x)=f(x) , for all x where a and b are fixed positive real numbers, the (1)/(a+b) int_(a)^(b) x(f(x)+f(x+1) dx is equal to :

A DAS GUPTA-Function-Exercise
  1. Extend f(x)=x^2+x defined in [0,3] onto the interval[-3,3] so that f(x...

    Text Solution

    |

  2. Period of |sinx+cosx| is

    Text Solution

    |

  3. If f(x) in [1,2] where x in R and for a fixed positive real number p, ...

    Text Solution

    |

  4. Let f (x ) and g(x) be increasing and decreasing functions respectivel...

    Text Solution

    |

  5. Computer the inverse of the function : f(x) = (x + sqrt(x^(2) + 1))

    Text Solution

    |

  6. If f(x)=1-x/(1+x), x not equal to -1 then f{f(1/x)}=

    Text Solution

    |

  7. If f(x)=cos(logx), then f(x)f(y)-1/2[f(x/y)+f(xy)]=

    Text Solution

    |

  8. If f(x)=(x+1)/x and phi(x)=(x^4+1)/(x^4) then phi(a)=-- where f(a)=5.

    Text Solution

    |

  9. If f(x) is a polynomial function of the second degree such tha f(0)=5,...

    Text Solution

    |

  10. If f(x+1)=x^(2)-3x+2 then f(x) is equal to

    Text Solution

    |

  11. If f is an even function defined on the interval (-5,5), then four rea...

    Text Solution

    |

  12. If f(x) is a periodic function of the period k then f(ax+b) is a perio...

    Text Solution

    |

  13. The value of f(x)=3sin((pi^2)/(16)-x^2) lie in the interval

    Text Solution

    |

  14. If f:RrarrR be a function given f(x)=sqrt1- sqrt(1-x^2) then the domai...

    Text Solution

    |

  15. If the function f : [2,+prop)rarrX be bijective wheras f(x)= 5-4x+x^2 ...

    Text Solution

    |

  16. Find the domain f(x)=log(100x)((2 log(10) x+1)/-x)

    Text Solution

    |

  17. If f(x)=sin^2x+sin^2(x+pi/3)+cosxcos(x+pi/3)a n dg(5/4=1, then (gof)(x...

    Text Solution

    |

  18. If f(x)=(x+2)/(x-1)=y then

    Text Solution

    |

  19. If f(x)=cos[pi^(2)]x+cos[-pi^(2)]x, where [x] stands for the greatest ...

    Text Solution

    |

  20. Let f(x) = log(x + sqrt(x^2 +1)) , then f'(x) equals.

    Text Solution

    |