Home
Class 12
MATHS
Find the value of a such that the functi...

Find the value of a such that the function f defined by
`f(x)={((sinax)/(sinx) if xne0),(1/a if x=0):}`
is continuous at x=0.

Promotional Banner

Topper's Solved these Questions

  • AREA UNDER PLANE CURVES

    MODERN PUBLICATION|Exercise PROBLEM|2 Videos
  • DETERMINANTS

    MODERN PUBLICATION|Exercise PROBLEM|44 Videos

Similar Questions

Explore conceptually related problems

Find the value of a such that the function f defined by f(x)={{:((sinax)/(sinx), "if", x ne 0),((1)/(a), "if", x=0):} is continuous at x=0

Find the value of k so that the function f defined by f(x)={((kcos x)/(pi-2x)),when x!=pi/2),(0,atx=pi/2):} is continuous at x = (pi)/2 .

Find the value of k, so that the function defined by f(x)={(kx+1", if "xlepi),(cosx", if "xgtpi):} is continuous at x=pi .

Show that the function f(x)={{:((sinx)/(x)+cosx", if "x!=0),(2", if "x=0):} is continuous at x=0 .

Show that the function f(x) given by f(x)={:{(x" sin "(1)/(x)", if "x!=0),(0" , if "x=0):} is continuous at x =0

Find the value of a, so that the function f(x) is defined by f(x)={{:((sin^(2)"ax")/(x^(2))", "x!=0),("1, "x=0):} may be continuous at x=0.

For what value of k, the function f(x)={((tan2x)/(x)", if "x!=0),(k", if "x=0):} is continuous at x=0 ?

Find the values of a and b such that the function f defined by f(x)={:{((x-4)/(|x-4|)+a", if "xlt4),(a+b", if "x=4" is a"),((x-4)/(|x-4|)+b", if "xgt4):} continuous function at x=4 .

MODERN PUBLICATION-CONTINUITY AND DIFFERENTIABILITY-PROBLEM
  1. examine the contiunity of the following functions at indicated points ...

    Text Solution

    |

  2. Examine the contiunity of the following functions at the indicated poi...

    Text Solution

    |

  3. Find the value of a such that the function f defined by f(x)={((sinax...

    Text Solution

    |

  4. If f(x)={(ax^2+b if x lt1),(1 if x=1),(2ax-b if xgt1):} is continuous...

    Text Solution

    |

  5. Examine the contiunity of the the following functions at indicated poi...

    Text Solution

    |

  6. Examine continuity and differentiability f(x)={[xsin1/x,if x!=0],[0,if...

    Text Solution

    |

  7. Test differentiability of the following function at the indicated poin...

    Text Solution

    |

  8. Differentiate x^(sin^(-1)x w.r.t. sin ^(-1).

    Text Solution

    |

  9. if x=e^(t)sin t and y=e^(t)cos t, then prove that (x+y)^(2)(d^(2)y)/dx...

    Text Solution

    |

  10. Find dy/dx for (x+y)^(cosx) = e^(x+y).

    Text Solution

    |

  11. If 2^(x)+2^(y)+2^(x+y) , then find dy/dx at x=y=1.

    Text Solution

    |

  12. If y=x+e^(x),then find d^(2)x/dy^(2).

    Text Solution

    |

  13. If e^(x)+e^(y)=e(x+y) find dy/dx.

    Text Solution

    |

  14. Differntiate the following functions by proper substitution. [((1+t^2)...

    Text Solution

    |

  15. If sin (x + y) = y cos (x + y) then prove that dy/dx =-(1 + y^2)/y^2

    Text Solution

    |

  16. Find dy/dx if log sqrt(x^2+y^2)=tan^(-1) (y/x)

    Text Solution

    |

  17. sinx=2t/1+t^(2), tany=2t/1-t^(2), find dy/dx.

    Text Solution

    |

  18. Find dy/dx, x=3 cos t-2cos^3t, y=3sint-2sin^3t.

    Text Solution

    |

  19. If y=sin(mcos^(-1)x) then prove that (1-x^(2))y(2)-xy(1)+m^(2)y=0.

    Text Solution

    |

  20. If y=cos^(-1)((2cosx-3sinx)/sqrt13), then find dy/dx.

    Text Solution

    |