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Mathematics
Problem
Find the eccentricity of the ellipse
9
x
2
+
16
y
2
=
144
9x^{2}+16y^{2}=144
9
x
2
+
16
y
2
=
144
. a)
3
4
\dfrac{3}{4}
4
3
b)
7
4
\dfrac{\sqrt{7}}{4}
4
7
c)
7
3
\dfrac{\sqrt{7}}{3}
3
7
d)
7
5
\dfrac{\sqrt{7}}{5}
5
7
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