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Engenharia Civil ·

Cálculo 4

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t2 1 y 2 t y 12 y 0 t 0 é um ponto regular yt Σn0 cn tn solução em série de potências t2 y y 2 t y 12 y 0 t2 Σn2 n n1 cn tn2 Σn2 n n1 cn tn2 2 t Σn1 n cn tn1 12 Σ cn tn Σn2 n n1 cn tn Σn2 n2 n1 cn2 tn Σn1 2 n cn tn Σn0 12 cn tn 0 21 c2 012 c1 t 2 1 1 c1 12 c0 12 c1 t Σn2 n n1 cn n2 n1 cn2 2 n cn 12 cn tn 0 2 c2 12 c0 6 c3 2 c1 12 c1 t Σn2 n n1 2 n 12 cn n2 n1 cn2 tn n n1 2 n 12 nn12 12 n n1 12