MCQ
અતિવલય ${{x}^{2}}-{{y}^{2}}={{a}^{2}}$ અને $xy={{a}^{2}}$ ની ઉત્કેન્દ્રતાનો ગુણોત્તર ............ .
- ✓$1:1$
- B$\sqrt{2}:1$
- C$2{{a}^{2}}:{{a}^{2}}$
- D${{a}^{2}}:2{{a}^{2}}$
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