Home
Class 12
MATHS
Let f(x) = {:{((sinx)/x + cosx, when x n...

Let `f(x) = {:{((sinx)/x + cosx, when x ne 0),(2, when x = 0):}` show that f (x) is continouous at x = 0.

Promotional Banner

Topper's Solved these Questions

  • CONTINUITY AND DIFFERENTIABILITY

    PRADEEP PUBLICATION|Exercise EXERCISE|788 Videos
  • APPLICATIONS OF INTEGRALS

    PRADEEP PUBLICATION|Exercise EXERCISE|162 Videos
  • DETERMINANTS

    PRADEEP PUBLICATION|Exercise EXERCISE|342 Videos

Similar Questions

Explore conceptually related problems

Prove that the function f(x) = {{:(x cos 1/x"," , "when " x != 0),(0",", "when " x = 0):} is continuous at x = 0

Let f(x) = {:{((1-cosax)/(xsinx), x ne 0),(1/2, if x = 0):} If f is continuous at x=0, find a.

Let f(x) = (x - a) cos (1/(x-a)) for x ne a and le f (a) = 0. Show that f is continuous at x = a but not derivable thereat.

If f(X) = (x^2-1)/(x-1 for x ne 1 and f(x) = 2 when x = 1. Show that the function f(X) is continuous at x = 1.

Let f(x) = {:{((3x+4tanx)/x, x ne0),(k, x = 0):} then f is continuous at x = 0 for

Let f(x)={(xsin(1/x), x ne 0),(k, x=0):} find k if f is continuous at x=0,

if f(x) ={{:( (x log cos x)/( log( 1+x^(2) )), x ne 0) ,( 0, x=0):} a. f is continuous at x = 0 b. f is continuous at x = 0 but not differentiable at x = 0 c. f is differentiable at x = 0 d. f is not continuous at x = 0

Show that the function f(x) = {{:(2 + x"," , "if " x ge 0),(1",", "if " x lt 0):} is not continuous at x = 0

Show that the function f(x) = {:{(x^n sin(1/x), x ne 0),(0, x = 0):} is continuous but not differentiable at x= 0.

PRADEEP PUBLICATION-CONTINUITY AND DIFFERENTIABILITY-EXERCISE
  1. Let f(x) = {:{((sinx)/x + cosx, when x ne 0),(2, when x = 0):} show th...

    Text Solution

    |

  2. Examine the continuity of f(x) = {:{((x^2-9)/(x-3), x ne 3),(6,x=3):} ...

    Text Solution

    |

  3. If f(X) = (x^2-1)/(x-1 for x ne 1 and f(x) = 2 when x = 1. Show that ...

    Text Solution

    |

  4. The value of the constant k so that the function f(x)={((x^(2)-3x+2)/...

    Text Solution

    |

  5. The constant k, so that the f(x) = {{:((x^(2) - 2x - 3)/(x + 1),"if",x...

    Text Solution

    |

  6. Examine the function f(X) = {:{((1-cos3x)/(x), x ne 0),(0,x=0):} for c...

    Text Solution

    |

  7. For what value of k, function f (x) is continuous at x = 0 where f(x) ...

    Text Solution

    |

  8. A function f(x) is defined as f(x) = {:{((x^2-x-6)/(x-3), x ne 3),(5,x...

    Text Solution

    |

  9. Discuss the continuity of the function f(x), where f(x)= {:{(2-x, x < ...

    Text Solution

    |

  10. Discuss the continuity of the function f(x) at x = 0 , where f(x) ={:{...

    Text Solution

    |

  11. Discuss the continuity of the function f(x) at x = 2, where f(x) = {:{...

    Text Solution

    |

  12. Discuss continuity of f(X) = {:{(-1,x<0),(2-x,xge0):} at x = 0

    Text Solution

    |

  13. Examine the following functions for continuity: f(x) = {:{((2x^2-3x-...

    Text Solution

    |

  14. Examine the following functions for continuity: f(x) = {:{(x+a,x<1),...

    Text Solution

    |

  15. Examine the following functions for continuity: f(x) = {:{((|x-3|)/(...

    Text Solution

    |

  16. Examine the following functions for continuity: f(x) = {:{((x-|x|)/x...

    Text Solution

    |

  17. Examine the following functions for continuity: f(x) = {:{((x^2/2), ...

    Text Solution

    |

  18. Examine the following functions for continuity: f(x) = |x| + |x-1| ...

    Text Solution

    |

  19. Examine the continuity of the function f(x) = {:{(3x-2,xle0),(x+1,x>0)...

    Text Solution

    |

  20. Is the function f(X) = {:{((1-x^n)/(1-x), x ne 1),(n-1,x=1):}, n in N ...

    Text Solution

    |

  21. If f(x) = {{:((x)/(|x| + 2x^2)"," ,x != 0),(k",", x = 0):} Prove tha...

    Text Solution

    |