If-t-n-e-r-2-ut-find-the-value-of-n-which-will-make-1-r-2-r-r-2-r-equal-to-t-

Question Number 17805 by ibraheem160 last updated on 10/Jul/17

I f θ = t^{n} e^{- r^{\frac{2}{u t}}}, f i n d t h e v a l u e o f

n w h i c h w i l l m a k e \frac{1}{r^{2}} \frac{\partial}{\partial r} (r^{2} \frac{\partial θ}{\partial r)}

e q u a l t o \frac{\partial θ}{\partial t}