Sequence
aₙ
Formula for Sequence
See how aₙ = a₁ · rⁿ⁻¹ is derived step by step from the pattern.
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✎
Solve Sequence
Given a geometric sequence, find a specific term step by step.
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Series
Sₙ
Formula for Series
See how Sₙ = a₁(1−rⁿ)/(1−r) is derived step by step.
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∑
Solve Series
Practice finding the sum of a geometric series step by step.
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Formula for Geometric Sequence
Solve Geometric Sequence
Formula for Geometric Series
Solve Geometric Series