$\begin {array} {1 1} (A)\;\large\frac{x^2}{100}+\large\frac{y^2}{64}=1 & \quad (B)\;\large\frac{x^2}{64}+\large\frac{y^2}{100}=1 \\ (C)\;\large\frac{x^2}{100}-\large\frac{y^2}{64}=1 & \quad (D)\;\large\frac{x^2}{64}-\large\frac{y^2}{100}=1 \end {array}$