Home
Class 12
MATHS
Find the value of a if,lim(xto0)(e^(ax)-...

Find the value of a if,`lim_(xto0)(e^(ax)-e^x)/x=2`

Text Solution

Verified by Experts

`lim_(xto0)(e^(ax)-e^x)/x=2`
`implieslim_(xto0){(e^(ax)-1)/x-(e^x-1)/x}=2`
`implieslim_(xto0){a(e^(ax)-1)/(ax)-(e^x-1)/x}=2`
`impliesalim_(xto0)(e^(ax)-1)/(ax)-lim_(xto0)(e^x-1)/x=2`
`a-1=2impliesa=3`
Promotional Banner

Topper's Solved these Questions

  • INVERSE TRIGONOMETRIC FUNCTIONS

    MBD PUBLICATION|Exercise QUESTION BANK|88 Videos
  • LINEAR INEQUALITIES

    MBD PUBLICATION|Exercise QUESTION BANK|46 Videos

Similar Questions

Explore conceptually related problems

lim_(xto0)7

Find the value of a if, lim_(xto0)(tanax)/(sin2x)=1

lim_(xto0)[x]

Find the value of a if, lim_(xto2)log_e(2x-3)/(a(x-2))=1

Find the value of a if, lim_(xto1)(5^x-5)/((x-1)log_ea)=5

lim_(xto0) |x|

lim_(xto1)(4x-1)

lim_(xto0) cos(1/x)

lim_(xto0)|x|/x

lim_(xto3)(x+4)

MBD PUBLICATION-LIMIT AND DIFFERENTIATION-QUESTION BANK
  1. Find the value of a if, lim(xtoalpha)(tana(x-alpha))/(x-alpha)=1/2

    Text Solution

    |

  2. Find the value of a if,lim(xto0)(tanax)/(sin2x)=1

    Text Solution

    |

  3. Find the value of a if,lim(xto0)(e^(ax)-e^x)/x=2

    Text Solution

    |

  4. Find the value of a if,lim(xto1)(5^x-5)/((x-1)logea)=5

    Text Solution

    |

  5. Find the value of a if,lim(xto2)loge(2x-3)/(a(x-2))=1

    Text Solution

    |

  6. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  7. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  8. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  9. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  10. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  11. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  12. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  13. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  14. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  15. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  16. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  17. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  18. Find the derivative of the following functions 'ab initio', that is, u...

    Text Solution

    |

  19. Find the derivative of the following functions from definition at the ...

    Text Solution

    |

  20. Find the derivative of the following functions from definition at the ...

    Text Solution

    |