Ononot — If a sequence is defined by an = 2 a{n-1} + 2 a{n-2}, what i

Recurrence Relationseasy

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If a sequence is defined by $a_n = 2 a_{n-1} + 2 a_{n-2}$ , what is the ratio of the coefficients of the characteristic equation $r^2 - c_1 r - c_2 = 0$ ?