Figure 70
Elliptic cylinder: \(\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2} =1\)
Elliptic cylinder: \(\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2} =1\) Elliptic cylinder: \(\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2} =1\) Elliptic cylinder: \(\dfrac{x^2}{a^2}+\dfrac{y^2}{b^2} =1\)