Simultaneous Equations x+y=5 x^x+y^x=31

by **Math Tutor** » Wed May 30, 2012 3:15 am

Solve the simultaneous equations
$x+y=5$
$x^x+y^x=31$

without using any math software.

by **Guest** » Sun Jun 10, 2012 6:36 am

It is almost unsolvable by human brain!

by **Guest** » Wed Jun 13, 2012 3:30 am

Math Tutor wrote:Solve the simultaneous equations
$x+y=5$
$x^x+y^x=31$

without using any math software.

Answer
x = 2.13
y = 2.86

by **Guest** » Thu Jun 14, 2012 11:24 am

Math Tutor wrote:Solve the simultaneous equations
$x+y=5$
$x^x+y^x=31$

without using any math software.

read more about "Fermat's Last Theorem"

by **Guest** » Fri Jun 15, 2012 3:04 pm

Could you write how do you get the answers, please? Did you use any software?