Algebra · Classes 9, 10, 11
Arithmetic Progression Sum
Sum of first n terms of an arithmetic progression.
FORMULA
\(S_n=\frac n2[2a+(n-1)d]\)
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Worked example
3+5+7+9+11=35
Understand this formula
Sum of first n terms of an arithmetic progression.
Check measurement units, mathematical domains and rounding before applying any result in an examination.