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08-02-2024
Mathematics

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The formula ( Sₙ = /n/2(a₁ + aₙ) ) gives the partial sum of an arithmetic sequence. What is the formula solved for ( aₙ )?
a) ( aₙ = /2Sₙ/n - a₁ )
b) ( aₙ = /Sₙ/n - a₁ )
c) ( aₙ = /2Sₙ/n + a₁ )
d) ( aₙ = /Sₙ/n + a₁ )

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