Maths

By making the substitution u =ln x show that the following equation has exactly one real-number solution:

-12/ln x +ln x^4 = -9

  1. 👍 0
  2. 👎 0
  3. 👁 102
asked by Lauren
  1. By making the substitution u =ln x show that the following equation has exactly one real-number solution:

    9/ln x + ln x^4 =-12

    Sorry wrote the incorrect equation previously!

    1. 👍 0
    2. 👎 0
    posted by Lauren

Respond to this Question

First Name

Your Response

Similar Questions

  1. MATHS URGENT

    By making the substitution u =ln x show that the following equation has exactly one real-number solution: 9/ln x + ln x^4 =-12

    asked by Please help me! on October 28, 2016
  2. maths

    By making the substitution u =ln x show that the following equation has exactly one real-number solution: -12/ln x +ln x^4 = -9

    asked by Lauren on October 26, 2016
  3. maths

    By making the substitution u=ln x show that the following equation has exactly one real-number solution: -12/ln x + ln x^4 = -9

    asked by Michael on October 25, 2016
  4. Maths

    By making the substitution u =ln x show that the following equation has exactly one real-number solution: 9/ln x + ln x^4 =-12 Sorry wrote the incorrect equation previously!

    asked by Lauren on October 27, 2016
  5. Algebra

    Consider the equation 4x^2 – 16x + 25 = 0. (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number

    asked by Pamela on July 7, 2009
  6. Algebra

    Consider the equation: 4x^2 – 16x + 25 = 0 (a) Show how to compute the discriminant, b^2 – 4ac, and then state whether there is one real-number solution, two different real-number solutions, or two different imaginary-number

    asked by Tammie on July 8, 2009
  7. maths

    (a) Let u=7^x. Using the rules for powers show that i) 7^x-1 = u/7 and ii) 7^2x-1 = u^2/7 (b) By making the substitution u=7^x and using part (a), derive a hidden quadratic equation 7^2x-1 +4×7^x-1 - 1/14 = 0 and hence find all

    asked by Michael on October 25, 2016
  8. college algebra--need help please!!

    solve the equation in the real number system. 2x^4-23x^3+75x^2-88x+28=0 What are the real solutions of the equations? please show work. I do not know how to work this at all

    asked by confused on November 23, 2012
  9. algebra

    solve by substitution 5x-2y = -5 y - 5x = 3 could someone take a min a show me how to do this problem by steps so i can do the rest of my problems and wait a min so i may ask questions. I m failing my algebra class and desparately

    asked by Tammy Evert on August 10, 2006
  10. MATHS URGENT

    By making the substitution u=7^x and using part a, derive a hidden quadratic equation 7^(2x-1) +4×7^(x-1) -1/14 =0 and hence find all of the solutions to the above equation.

    asked by Please help me! on October 28, 2016

More Similar Questions