√(b2−a2)(s2−x2)
√(b2−a2)(s2×2)
√x2−a2−b2s
x2−a2−b2s
√(b2x2)(a2−s2x2)
Correct answer is E
s = √(a2x2−b2y2)
s2 = a2x2−b2y2
b2y2 = a2x2 - s2
b2y2 = a2−s2x2x2
1y2 = (a2−s2x2x2)×1b2
1y2 = a2−s2x2b2x2
∴ y^2 = \frac{b^2 x^2}{a^2 - s^2 x^2}
y = \sqrt{\frac{b^2 x^2}{a^2 - s^2 x^2}}
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