Mathematics

Mathematics

Problem

If y=x+y+x+y+…∞y = \sqrt{x + \sqrt{y + \sqrt{x + \sqrt{y + \dots \infty}}}} , then dydx\frac{dy}{dx} is equal to a. y+xy2−2x\frac{y+x}{y^2-2x} b. y3−x2y2−2xy−1\frac{y^3-x}{2y^2-2xy-1} c. y3+x2y2−x\frac{y^3+x}{2y^2-x} d. None of these

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