Question

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Find the foci of each hyperbola

1. y^2/400 - x^2/169 = 1

Answer 1

@Zarkon

Answer 2

@Tommynaiter

Answer 3

y^2/400- x^2/169= 400=a^2 169=b^2 a^2+b^2=c^2 so 400+169=c^2

\[7\sqrt{569}\] =c

answer (0,\[7\sqrt{569}\] and (0,-\[\sqrt{569}\])