# If the foci of th

To find: value of b2

Given: foci of given ellipse and hyperbola coincide     Formula used:

Coordinates of the foci for standard ellipse is given by (±c1, 0) where Coordinates of the foci for standard hyperbola is given by (±c2, 0) where Since, their foci coincide  Here a1 = 4, b1 = b,     b2 = 16 – 9

b2 = 7

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