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Mathematics
Problem
For the ellipse
x
2
49
+
y
2
25
=
1
\dfrac{x^{2}}{49}+\dfrac{y^{2}}{25}=1
49
x
2
+
25
y
2
=
1
, what is its eccentricity? a)
5
7
\dfrac{5}{7}
7
5
b)
6
7
\dfrac{\sqrt{6}}{7}
7
6
c)
2
6
7
\dfrac{2\sqrt{6}}{7}
7
2
6
d)
24
5
\dfrac{\sqrt{24}}{5}
5
24
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