For the hyperbola $\large\frac{x^2}{36}-\frac{y^2}{16}$$=1$ find the ecentricity?

Question

$\begin{array}{1 1}(a)\;\large\frac{\sqrt{52}}{6}\\(b)\;\large\frac{\sqrt{50}}{6}\\(c)\;\large\frac{\sqrt{32}}{6}\\(d)\;\large\frac{\sqrt{22}}{6}\end{array}$