Question 205014
solve for x and y in the equations:
x + y =5;
x^y + y^x = 17
:
Just looking at it, it's apparent that: x=2, y=3; or x=3 y=2
:
You could graph it using the formula
y = {{{(17 - x^(5-x))^(1/x)}}}
{{{ graph( 300, 200, -2, 6, -2, 6, (17-x^(5-x))^(1/x), 5-x) }}}