Mohon bantuan nya yaa :D

Elips
20x² + 36y² = 720
[tex] \frac{x^2}{36}+ \frac{y^2}{20} = 1[/tex]
[tex]\frac{x^2}{6^2}+ \frac{y^2}{20} = 1[/tex]

panjang sumbu mayor = 2 * 6 = 12