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Q50Section I (Objective (Q1–Q80))50 of 80

Numerical Analysis — simplifying a shift-operator identity

If δ=E−1E\delta = \sqrt{E} - \frac{1}{\sqrt{E}} and μ=12(E+1E)\mu = \frac{1}{2}\left(\sqrt{E} + \frac{1}{\sqrt{E}}\right), then what is 2(1+δ2μ2)yx2\left(\sqrt{1 + \delta^{2}\mu^{2}}\right) y_{x} equal to?

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