SOLUTION: x^-x=1 what is the solution set{ }?
quadratic formula.
Algebra.Com
Question 236187: x^-x=1 what is the solution set{ }?
quadratic formula.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given equation.
Subtract 1 from both sides.
Notice that the quadratic is in the form of where , , and
Let's use the quadratic formula to solve for "x":
Start with the quadratic formula
Plug in , , and
Negate to get .
Square to get .
Multiply to get
Rewrite as
Add to to get
Multiply and to get .
or Break up the expression.
So the solutions are or
which approximate to or
RELATED QUESTIONS
Use the quadratic formula to solve the equation:
What is the solution set?... (answered by stanbon)
Use the quadratic formula to solve the equation
2x^2-x=-10
The solution set is {... (answered by jim_thompson5910,stanbon)
use the quadratic formula to solve the equation.
x^2-5x=-9
The solution set is (answered by Edwin McCravy)
Use the quadratic formula to solve the equation. 2x^2-x=-6
The solution set is... (answered by checkley77)
Use the quadratic formula to solve the equation.
2x^2-x=-7
The solution set is {... (answered by MathLover1,ewatrrr)
Use the quadratic formula to solve the equation.
{{{x^2-3x=-7}}}
The solution set... (answered by ewatrrr)
What is the solution of the quadratic equation by using the quadratic... (answered by josgarithmetic)
solve the equation using the quadratic formula.
(9x-1)(2x+1)=2x
What is the... (answered by colliefan)
Use the quadratic formula to solve the equation.
2/5x^2-x+19/15=0
The solution set... (answered by ankor@dixie-net.com)