Home
Class 12
MATHS
Let f , g and h be functions from R to R...

Let f , g and h be functions from R to R . Show that , (f +g) oh = foh + goh
(f.g) oh = (foh)+ (goh)

Promotional Banner

Topper's Solved these Questions

  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise EXERCISE 1.4|25 Videos
  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise MISCELLANEOUS EXERCISE - 1|20 Videos
  • RELATIONS AND FUNCTIONS

    KUMAR PRAKASHAN|Exercise EXERCISE 1.2|17 Videos
  • PROBABILITY

    KUMAR PRAKASHAN|Exercise Practice Paper - 13 (Section - D (Answer the following questions))|2 Videos
  • THREE DIMENSIONAL GEOMETRY

    KUMAR PRAKASHAN|Exercise PRACTICE PAPER -11|16 Videos

Similar Questions

Explore conceptually related problems

Let f={(x, x^2/(1+x^(2))), x in R} be a function from R into R. Determine the range of f.

If f,g and h are differentiable functions of x and Delta = |{:(f , g , h), ((xf)' , (xg)' , (xh)'), ((x^(2) f)'' , (x^(2) g)'', (x^(2) h)''):}| then prove that Delta'=|{:(f , g , h), (f' , g' , h'), ((x^(3) f'')' , (x^(3) g'')', (x^(3) h)'')':}| .

Let f(x) and g(x) be functions which take integers as arguments. Let f(x + y) =f(x)+ g(y) + 8 for all intege x and y. Let f(x) = x for all negative integers x and let g (8) = 17 . Find f(0).

Let f : R rarr R be defined as f(x) = 10 x +7 . Find the function g:R rarrR such that gof = fog = I_(g)

Let f, g and h are differentiable functions. If f(0) = 1; g(0) = 2; h(0) = 3 and the derivatives of theirpair wise products at x=0 are (fg)'(0)=6;(g h)' (0) = 4 and (h f)' (0)=5 then compute the value of (fgh)'(0) .

Let f and g be real functions defined by f(x)= 2x + 1 and g(x)= 4x- 7 . For what real numbers x, f(x) lt g(x) ?

If the functions f and g defined from the set of real number R to R such that f(x) = e^(x) and g(x) = 3x - 2, then find functions fog and gof. Also, find the domain of the functions (fog)^(-1) and (gof)^(-1) .

Let f : R rarr R be the function defined by f(x) = 2x - 2 , AA x in R . Write f^(-1) .

Let the function f : R rarr R be defined by f(x) = cos x , AA x in R . Show that f is nether one - one nor onto .

KUMAR PRAKASHAN-RELATIONS AND FUNCTIONS -EXERCISE 1.3
  1. Let f: {1,3,4} rarr {1,2,5} and g : {1,2,5} rarr {1,3} be given by f={...

    Text Solution

    |

  2. Let f , g and h be functions from R to R . Show that , (f +g) oh = foh...

    Text Solution

    |

  3. Find gof and fog , if f (x) = |x| and g(x) = |5x-2|.

    Text Solution

    |

  4. Find gof and fog , if f(x) = 8x^(3) and g(x) =x^(1/3)

    Text Solution

    |

  5. If f(x) = (4x+3)/(6x-4) , x ne 2/(3) , show that fof (x) = x, for all ...

    Text Solution

    |

  6. State with reason whether following functions have inverse : f : {1,...

    Text Solution

    |

  7. State with reason whether following functions have inverse : g:{5,6,...

    Text Solution

    |

  8. State with reason whether following functions have inverse : h: {2,3...

    Text Solution

    |

  9. Show that f : [-1,1] rarr R , given by f(x) = (x)/(x+2) is one - one ....

    Text Solution

    |

  10. Consider f : R rarr R given by f(x) = 4x +3. Show that f is invertibl...

    Text Solution

    |

  11. Consider f: R ^+ to [4 ,oo] given by f(x) =x^2 + 4 show th...

    Text Solution

    |

  12. Consider f : R(+) rarr [-5,oo) given by f(x) = 9x^(2) +6x-5. Show that...

    Text Solution

    |

  13. Let f :X rarr Y be an invertible function . Show that f has unique inv...

    Text Solution

    |

  14. Consider f : {1,2,3} rarr {a,b,c} given by f(1) = a, f(2) and f(3) = ...

    Text Solution

    |

  15. Let f : X rarr Y be an invertible function . Show that the inverse of ...

    Text Solution

    |

  16. If f : R rarr R be given by f(x) = (3-x^(3))^(1/3) then fof (x) is

    Text Solution

    |

  17. Let f: R -{-4/3}rarrR be a function defined as f(x) =(4x)/(3x+4) . Th...

    Text Solution

    |

  18. Determine whether or not each of the definition of ** given below give...

    Text Solution

    |

  19. Determine whether or not each of the definition of ** given below give...

    Text Solution

    |

  20. Determine whether or not each of the definition of ** given below give...

    Text Solution

    |