x249+y29=1\frac{x^{2}}{49}+\frac{y^{2}}{9}=149x2+9y2=1
x29+y249=1\frac{x^{2}}{9}+\frac{y^{2}}{49}=19x2+49y2=1
9x2174+25y2174=1\frac{9 x^{2}}{174}+\frac{25 y^{2}}{174}=11749x2+17425y2=1
5x2174+3y2174=1\frac{5 x^{2}}{174}+\frac{3 y^{2}}{174}=11745x2+1743y2=1
49x2+25y2=549 x^{2}+25 y^{2}=549x2+25y2=5