Question 633842
  <pre><font face = "Tohoma" size = 3 color = "indigo"><b> 
Hi,
 {{{x^2/2^2 + y^2/3^2 = 1}}}   C(0,0) major axis along the y-axis
{{{F[d] = sqrt(9-4) = sqrt(5)}}}
foci ar (0, ± {{{sqrt(5)}}})
{{{drawing(300,300,   -6, 6, -6, 6, arc(0,0,4,6), grid(1),
circle(0, 2.24,0.3),
circle(0, -2.24,0.3),
graph( 300, 300, -6, 6, -6, 6))}}}