Sum of First n Terms of Arithmetic Progression

Explore how the sum formula S_n = n/2 × [2a + (n-1)d] works through interactive visualization.

Interactive Controls

First Term (a) 2

Common Difference (d) 3

Number of Terms (n) 5

Visualization Mode

Rectangle View

Current Sequence:

2, 5, 8, 11, 14

Sum Formula:

S₅ = 5/2 × [2(2) + (5-1)×3] = 40

Status:

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