Find the slope of the tangent line to the curve defined by xy=yxx^y = y^xxy=yx at the point (2,4)(2, 4)(2,4).
2−ln42 - \ln 42−ln4
1−ln21 - \ln 21−ln2
(4(1−ln2))/(2(2−ln4))(4(1-\ln 2))/(2(2-\ln 4))(4(1−ln2))/(2(2−ln4))
000