Ononot — The sequence an = 7 + 2 \cdot 3^n + 4n \cdot 3^n (constant,

Recurrence Relationsmedium

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The sequence $a_n = 7 + 2 \cdot 3^n + 4n \cdot 3^n$ (constant, exponential, and resonant exponential terms) is annihilated by which operator (using shift operator $E$ )?