manuelcalderon6869 manuelcalderon6869

11-03-2024
Mathematics

contestada

Suppose are the coefficients of four consecutive terms in the expansion of (1+x)n are a₁, a₂, a₃, a₄ respectively , then show that:
a₁/(a₁ + a₂) + a₃/(a₃+a₄) = 2a₃/ (a₂+a₃)

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