Home
Class 12
MATHS
Function f: R to R and g : R to R are d...

Function `f: R to R and g : R to R ` are defined as `f(x)=sin x and g(x) =e^(x)` .
Find (gof)(x) and (fog)(x).

Text Solution

Verified by Experts

The correct Answer is:
`(gof)(x)=e^(sinx), (fog)(x)=sine^(x)`
Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    NAGEEN PRAKASHAN|Exercise Exercies 1c|9 Videos
  • RELATIONS AND FUNCTIONS

    NAGEEN PRAKASHAN|Exercise Exercies 1d|10 Videos
  • RELATIONS AND FUNCTIONS

    NAGEEN PRAKASHAN|Exercise Exercies 1a|16 Videos
  • PROBABIILITY

    NAGEEN PRAKASHAN|Exercise Miscellaneous Exercise|19 Videos
  • THREE-DIMENSIONAL GEOMETRY

    NAGEEN PRAKASHAN|Exercise Miscellaneous Exercise|23 Videos

Similar Questions

Explore conceptually related problems

Let f : R to R and g : R to R be given by f (x) = x^(2) and g(x) =x ^(3) +1, then (fog) (x)

If f:R rarr R,g:R rarr R defined as f(x)=sin x and g(x)=x^(2), then find the value of (gof)(x) and (fog)(x) and also prove that gof f= fog.

If f:[0,oo)rarr R and g:R rarr R be defined as f(x)=sqrt(x) and g(x)=-x^(2)-1, then find gof and fog.

If the functions f: R to R and g: R to R be defined by f (x) = 2x+1, g(x) = x^2 - 2. Find the formulae for g o f and f o g.

If f:R rarr R and g:R rarr R are defined by f(x)=x-[x] and g(x)=[x] is x in R then f{g(x)}

If f: R to R and g: R to R be two functions defined as f(x)=2x+1 and g(x)=x^(2)-2 respectively , then find (gof) (x) and (fog) (x) and show that (fog) (x) ne (gof) (x).

If f: R to R and g: R to R be two functions defined as f(x)=x^(2) and g(x)=5x where x in R , then prove that (fog)(2) ne (gof) (2).

If f:R rarr R and g:R rarr R are defined as follows: f(x)=x+2 and g(x)=2x^(2)+5 find,(i) fog and (ii) gof

Find gof and fog when f: R->R and g: R->R is defined by f(x)=x and g(x)=|x|

NAGEEN PRAKASHAN-RELATIONS AND FUNCTIONS -Exercies 1b
  1. f: R to R is a function where f(x)= 2x-3 . Check whether f is noe -on...

    Text Solution

    |

  2. On set A= {1,2,3}, relation R and S are given by R={(1,1),(2,2),(3,3)...

    Text Solution

    |

  3. Prove that f:N-> N defined by f(x) = 2x, x in N is one-one and into.

    Text Solution

    |

  4. If R is the set of real numbers and a function f: R to R is defined a...

    Text Solution

    |

  5. If Q is the set of rational numbers, then prove that a function f: Q t...

    Text Solution

    |

  6. If R is the set of real numbers then prove that a function f: R to R ...

    Text Solution

    |

  7. Prove that the function f: R^(+) to R which is defined as f(x)=log(e)...

    Text Solution

    |

  8. If R is the set of real numbers prove that a function f: R -> R,f(x)=...

    Text Solution

    |

  9. A function f: R to R is defined as f(x)=4x-1, x in R, then prove that...

    Text Solution

    |

  10. Let A=R-{3} and B=R-[1]dot Consider the function f: A to B defined by ...

    Text Solution

    |

  11. Let the function f:R to R be defined by f(x)=cos x, AA x in R. Show th...

    Text Solution

    |

  12. If a function f: R to R is defined as f(x)=x^(3)+1, then f is

    Text Solution

    |

  13. Function f: R to R and g : R to R are defined as f(x)=sin x and g(x) ...

    Text Solution

    |

  14. If f: R to R and g: R to R be two functions defined as f(x)=2x+1 an...

    Text Solution

    |

  15. If f and g are two functions from R to R which are defined as f(x)=x^(...

    Text Solution

    |

  16. If f: R to R and g: R to R be two functions defined as f(x)=x^(2) an...

    Text Solution

    |

  17. If f: R to R defined as f(x)=3x+7, then find f^(-1)(-2)

    Text Solution

    |

  18. If Q is the set of rational numbers and a function f:Q to Q is define...

    Text Solution

    |