A) 4/5
B) 3/5
C) 5/4
D) Imaginary
Correct Answer: A
Solution :
\[{{a}^{2}}={{b}^{2}}(1-{{e}^{2}})\] , \[\{\because \,\,a<b\}\] \[9=25(1-{{e}^{2}})\]Þ \[\frac{9}{25}=1-{{e}^{2}}\]Þ \[{{e}^{2}}=\frac{16}{25}\]Þ \[e=\frac{4}{5}\].You need to login to perform this action.
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