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# Length of latus rectum is one third of major axis:

$\begin{array}{1 1}(A)\;\frac{2}{3} \\(B)\;\sqrt{\frac{2}{3}} \\(C)\;5 \times 4 \times (\frac{3}{7})^3 \\(D)\;(\frac{3}{4})^4 \end{array}$

Can you answer this question?