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MATH / A sequence of positive integers with a₁=1 and a₉+a₁₀=646 is formed so that the first three terms are in geometric progression, the second, third, and fourth terms are in arithmetic… · Discussion

Discussing A sequence of positive integers with a₁=1 and a₉+a₁₀=646 is formed so that the first three terms are in geometric progression, the second, third, and fourth terms are in arithmetic… · MATH

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