Question 29If $x=t^{\frac{1}{t-1}}$ and $y=t^{\frac{t}{t-1}},$ $t\gt0,$ $t\ne1,$ a relation between $x$ and $y$ is:$y^x=x^{\frac{1}{y}}$$y^{\frac{1}{x}}=x^y$$y^x=x^y$$x^x=y^y$none of these