u_1 - u_2 = -3, u_2 - u_3 = -6
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Shipping and Returns Policy
- Deliver to United States » Shipping Policy «
- - Shipping Cost: $5.99
- - Handling time: 2-3 business days
- - Transit time: 7-10 business days
- Eligible for » Returns & Refund Policy « within 30 days from the date of delivery
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tìm số hạng đầu và công bội của cấp số nhân
- 13. Cấp số nhân (u_n) có u_1 * u_4 = 8 và u_2 * u_5 = 16. Tìm u_1 và q.
- u_2 = 6, u_4 = 24
- u_3 = 1/32, u_6 = -1/256
- Câu hỏi trung bình
- u_2 = 7, u_5 = 189
- u_2 = 2√2, u_4 = 8√2
- u_2 = 5, u_5 = 625
- u_1 + u_3 = 34, u_2 + u_4 = 68
- 40. Cấp số nhân (u_n) có u_1 - u_2 = 2 và u_2 - u_3 = 4. Tìm u_1 và q.
- u_4 = 250, u_7 = 6250
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