For a ratio h of degree 2, pole fractions q(αq + βJ)/(u(p − λq)) at three distinct λ are linearly independent modulo span(1, u, u⁻¹)

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For a ratio h of degree 2, pole fractions q(αq + βJ)/(u(p − λq)) at three distinct λ are linearly independent modulo span(1, u, u⁻¹) · Prove2Me