1.

If `e_(1)ande_(2)` be the eccentricities of the hyperbola `xy=c^(2)andx^(2)-y^(2)=c^(2)` respectively then :A. `e_(1)^(2)+e_(2)^(2)=1`B. `e_(1)^(2)+e_(2)^(2)=4`C. `e_(1)^(2)+e_(2)^(2)=6`D. `e_(1)^(2)+e_(2)^(2)=8`.

Answer» Correct Answer - B


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