Home
Class 12
MATHS
If x=e^(x//y) , prove that (dy)/(dx)=(x-...

If `x=e^(x//y)` , prove that `(dy)/(dx)=(x-y)/(xlogx)`

Text Solution

AI Generated Solution

To prove that \(\frac{dy}{dx} = \frac{x - y}{x \log x}\) given that \(x = e^{\frac{x}{y}}\), we can follow these steps: ### Step 1: Take the natural logarithm of both sides We start with the equation: \[ x = e^{\frac{x}{y}} \] Taking the natural logarithm of both sides: ...
Promotional Banner

Topper's Solved these Questions

  • DIFFERENTIALS, ERRORS AND APPROXIMATIONS

    RD SHARMA|Exercise Solved Examples And Exercises|102 Videos
  • DIRECTION COSINES AND DIRECTION RATIOS

    RD SHARMA|Exercise Solved Examples And Exercises|67 Videos

Similar Questions

Explore conceptually related problems

If x=e^((x)/(y)), prove that (dy)/(dx)=(x-y)/(x log x)

If x = e^(x//y) , then prove that (dy)/(dx) = (x-y)/(xlogx) .

If xy=e^(x-y) , prove that (dy)/(dx)=(y(x-1))/(x(y+1)) .

If x^(y)=e^(x-y), prove that (dy)/(dx)=(log x)/((1+log x)^(2))

If x^(y)=e^(x-y), prove that (dy)/(dx)=(log x)/((1+log x)^(2))

If x^(y)=y^(x) , prove that (dy)/(dx)=((y)/(x)-log y)/((x)/(y)-log x)

If x^(y)=e^(x-y) , prove that (dy)/(dx)=(logx)/((1+logx)^(2)).

If x^(y)=e^(x-y), Prove that (dy)/(dx)=(log x)/((1+log x)^(2))

If sec((x+y)/(x-y))=a, prove that (dy)/(dx)=(y)/(x)

"If "x^(y)=e^(x-y)," prove that "(dy)/(dx)=(log x)/((1+log x)^(2)).

RD SHARMA-DIFFERENTIATION-Solved Examples And Exercises
  1. If cosy=xcos(a+y) , where cosa!=-1 , prove that (dy)/(dx)=(cos^2(a+y))...

    Text Solution

    |

  2. If (x-y) \ e^(x/(x-y))=a , prove that y(dy)/(dx)+x=2y .

    Text Solution

    |

  3. If x=e^(x//y) , prove that (dy)/(dx)=(x-y)/(xlogx)

    Text Solution

    |

  4. If y=x^(tanx)+sqrt((x^2+1)/2) , find (dy)/(dx)

    Text Solution

    |

  5. If y=1+alpha/((1/x-alpha))+(beta//x)/((1/x-1)(1/x-beta))+(gamma//x^2)...

    Text Solution

    |

  6. If y=x^x^x^(((dotoo))) , find (dy)/(dx) .

    Text Solution

    |

  7. If y=sqrt(sinx+sqrt(sinx+sqrt(sinx+\ dotto\ oo))) , prove that (dy)/(d...

    Text Solution

    |

  8. "If "y=a^(x^(a^(x...oo)))", prove that "(dy)/(dx)=(y^(2)(logy))/(x[1-y...

    Text Solution

    |

  9. If y=e^(x+e^(x+e^(x+dotto\ oo))) , show that (dy)/(dx)=y/(1-y) .

    Text Solution

    |

  10. If y=(sqrt(x))^(sqrt(x))^(((sqrt(x))dotoo)) , show that (dy)/(dx)=(y^2...

    Text Solution

    |

  11. If y=x+1/(x+1/(x+1/(x+\ dot))) , prove that (dy)/(dx)=y/(2y-x) .

    Text Solution

    |

  12. If y=(sinx)/(1+(cosx)/(1+(sinx)/(1+(cosx)/(1+\ ddotto\ oo)))) , prove ...

    Text Solution

    |

  13. If y=sqrt(x+sqrt(x+sqrt(x+\ dotto\ oo))) , prove that (dy)/(dx)=1/(2\ ...

    Text Solution

    |

  14. If y=sqrt(cosx+sqrt(cosx+sqrt(cosx+\ dotto\ oo))) , prove that (dy)/(d...

    Text Solution

    |

  15. If y=sqrt(logx+sqrt(logx+sqrt(logx+\ dotto\ oo))) , prove that (2y-1)(...

    Text Solution

    |

  16. If y=sqrt(tanx+sqrt(tanx+sqrt(tanx+\ dotto\ oo))) , prove that (dy)/(d...

    Text Solution

    |

  17. If y=(sinx)^(sinx^(sinx dotoo)) , prove that (dy)/(dx)=(y^2cotx)/((1-y...

    Text Solution

    |

  18. cos 6x=32 cos^6 x -48cos^4 x + 18 cos^2 x -1

    Text Solution

    |

  19. If y=e^x^e^x+e^x^x^e , prove that (dy)/(dx)=e^x^e^xdotx^e^x{(e^x)/x+ed...

    Text Solution

    |

  20. If y=(cosx)^(cosx)^(((cosx)dotoo)) , prove that (dy)/(dx)=-(y^2tanx)/(...

    Text Solution

    |