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If the foci of the ellipse (x^2)/(16)+(y...

If the foci of the ellipse `(x^2)/(16)+(y^2)/(b^2)=1` and the hyperbola `(x^2)/(144)-(y^2)/(81)=1/(25)` coincide, then find the value `b^2`

A

5

B

7

C

9

D

1

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MODERN PUBLICATION-CONIC SECTIONS-EXERCISE
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  3. If the foci of the ellipse (x^2)/(16)+(y^2)/(b^2)=1 and the hyperbola ...

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  6. The focal chord of y^2= 16x is tangent to (x-6)^2+ y^2= 2, then the po...

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  13. If non-zero numbers a,b,c are in H.P., then the straight line x/a+ y/b...

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  14. If a vertex of a triangle is (1, 1) and the mid-points of two side thr...

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  15. If the circles : x^2+ y^2+2ax + cy +a=0 and x^2+ y^2-3ax+dy -1=0 inter...

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  16. A circle touches the X-axis and also touches the centre at (0,3) and r...

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  17. If a circle passes through the point (a, b) and cuts the circle x^2+ y...

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  18. An ellipse has OB as semi minor axis, F and F' its focii eccentricity ...

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  20. A circle is given by x^2 + (y-1)^2 = 1, another circle C touches it ex...

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