1 Hyperbola
If e1 is the eccentricity of the ellipse x2/16 + y2 /7 = 1 and e2 is the eccentricitry of the hyperbola x2/9 - y2 /7 = 1. then e1 + e2 is equal to
1) 16/7 2) 25/4 3) 25/12 4) 16/9
SOLUTION
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