The sum of the squares of the eccentricities of the conics x^2/4+y^2/3=1 and …

The sum of the squares of the eccentricities of the conics x^2/4+y^2/3=1 and x^2/4-y^2/3=1 is (a) 2 (b) √(2) (c) √(7)/√(3) (d) √(7)

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