Câu hỏi 142
Cho
$$
A_n = 1 \cdot 2 + 3 \cdot 4 + 5 \cdot 8 + \dots + (2n - 1) \cdot 2^n.
$$
Tìm $A_{2024}$.
(Nedyalka Dimitrova)
$$
A_n = 1 \cdot 2 + 3 \cdot 4 + 5 \cdot 8 + \dots + (2n - 1) \cdot 2^n.
$$
Tìm $A_{2024}$.
(Nedyalka Dimitrova)
MathNet 2023-part-01 — 191 bài (EN–VI) Câu hỏi 142
Math Olympiad Vault · MathNet 2023-part-01 — 191 bài (EN–VI)