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Equation Icon  α2(1 − x2)dx2 4 α2P (x ) 2 ( ) ds2 = --------------+ -------2-(dψ + cos𝜃dϕ ) + α2 (1 − x2 ) d𝜃2 + sin2 𝜃dϕ2 (131 ) P (x) (1 − x )