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)