Home
Class 12
MATHS
A function f(x) is defined as f(x)={(x^2...

A function `f(x)` is defined as `f(x)={(x^2-9)/(x-3);\ \ \ if\ x!=3\ \ \ 6;\ \ \ \ \ if\ x=3` Show that `f(x)` is continuous at `x=3` .

Text Solution

AI Generated Solution

To show that the function \( f(x) \) is continuous at \( x = 3 \), we need to verify that: \[ \lim_{x \to 3} f(x) = f(3) \] ### Step 1: Determine \( f(3) \) ...
Promotional Banner

Topper's Solved these Questions

  • BINOMIAL DISTRIBUTION

    RD SHARMA|Exercise Solved Examples And Exercises|141 Videos
  • DEFINITE INTEGRALS

    RD SHARMA|Exercise Solved Examples And Exercises|567 Videos

Similar Questions

Explore conceptually related problems

A function f(x) is defined as f(x)={(x^(2)-x-6)/(x-3);quad if x!=3quad 5;quad if x=3 Show that f(x) is continuous at x=3

A function f(x) is defined as f(x)={(x^(2)-x-6)/(x-3); if x!=3 and 5 if x= Show that f(x) is continuous at x=3

f(x)={x+2,x 3, is continuous at x=3

If f(x) f(x) ={((x^2-9)/(x-3)","" " xne3),(" 6""," " "x = 3"):} then show that f(x) is continuous at x=3.

The function defined as f(x) = 2x^(3) -6x +3 is

f(x)={(x^(2)-x-6)/(x-3); if x!=35ifx=3 show that f(x) is continuous at x=3

Find the relationship between ' a ' and ' b ' so that the function 'f' defined by f(x)={a x+1\ \ \ ,\ \ \ if\ xlt=3b x+3\ \ \ ,\ \ \ if\ x >3 is continuous at x=3 .

3.A function f(x) is defined as follows: f(x)={3+2x-(3)/(2) =(3)/(2) Show that f(x) is continuous at x=0 and discontinuous at x=3/2

If the function f(x) defined as : f(x)=(x^(4)-64x)/(sqrt(x^(2)+9)-5), for x!=4 and =3, for x=4 show that f(x) has a removable discontinuity at x=4

The function f:R rarr R defined as f(x)=(3x^(2)+3x-4)/(3+3x-4x^(2)) is :

RD SHARMA-CONTINUITY-Solved Examples And Exercises
  1. Test the continuity of the following function at the origin: f(x)={...

    Text Solution

    |

  2. A function f(x) is defined as f(x)={(x^2-x-6)/(x-3);\ \ \ if\ x!=3\ \ ...

    Text Solution

    |

  3. A function f(x) is defined as f(x)={(x^2-9)/(x-3);\ \ \ if\ x!=3\ \ \ ...

    Text Solution

    |

  4. If f(x)={(x^2-1)/(x-1);\ \ \ for\ x!=1\ \ \ 2;\ \ \ \ for\ x=1 . Find ...

    Text Solution

    |

  5. If f(x)={(sin3x)/x ,\ \ \ w h e n\ x!=0 1,\ \ \ w h e n\ x=0 . Find wh...

    Text Solution

    |

  6. If f(x)={e^(1//x),\ \ \ if\ x!=0 1,\ \ \ if\ x=0 . Find whether f is c...

    Text Solution

    |

  7. Let f(x)={(1-cosx)/(x^2),\ \ \ w h e n\ x!=0 1,\ \ \ \ w h e n\ x=0 . ...

    Text Solution

    |

  8. Show that f(x)={(x-|x|)/2,\ \ \ w h e n\ x!=0 2,\ \ \ w h e n\ x=0 is ...

    Text Solution

    |

  9. Show that f(x)={(|x-a|)/(x-a),\ \ \ w h e n\ x!=a1,\ \ \ w h e n\ x=a ...

    Text Solution

    |

  10. Discuss the continuity of f(x)={|x|cos(1/x),\ \ \ x!=0 0,\ \ \ \ x=...

    Text Solution

    |

  11. Discuss the continuity of f(x)={x^2sin(1/x),\ \ \ \ x!=0\ \ \ \ \ \...

    Text Solution

    |

  12. Discuss the continuity of f(x)={(x-a)sin(1/(x-a)),\ \ \ x!=a\ \ \ \...

    Text Solution

    |

  13. f(x)={(e^x-1)/(log(1+2x)),\ \ \ if\ x!=0\ \ \ \ \ \ \ \ \ 7,\ \ \ \ \ ...

    Text Solution

    |

  14. f(x)={(1-x^n)/(1-x),\ \ \ x!=1 ,\ \ \ n-1,\ \ \ x=1\ \ \ \ n in N a...

    Text Solution

    |

  15. f(x)={(|x^2-1|)/(x-1),\ \ \ for\ x!=1 2,\ \ \ for\ x=1 at x=1

    Text Solution

    |

  16. f(x)={(2|x|+x^2)/x ,\ \ \ x!=0 ,\ \ \ and 0 at x=0 is continuous at ...

    Text Solution

    |

  17. f(x)={|x-a|sin(1/(x-a)),\ \ \ for\ x!=a0,\ \ \ for\ x=a at x=a

    Text Solution

    |

  18. Show that f(x)={1+x^2,\ \ \ if\ 0lt=xlt=1 2-x ,\ \ \ if\ x >1 is disco...

    Text Solution

    |

  19. Show that f(x)={(sin3x)/(tan2x),\ \ \ if\ x<0 3/2,\ \ \ if\ x=0(log(1+...

    Text Solution

    |

  20. Find the value of ' a^(prime) for which the function f defined by f(x)...

    Text Solution

    |