11TH•Mathematics•Sequences And Series•6.5 Geometric Progression

6.5 Geometric Progression (G.P.)

Geometric sequences, common ratio, nth term, and properties.

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A geometric progression multiplies each term after the first by a fixed nonzero common ratio $r$ :

r = \dfrac{a_n}{a_{n-1}}, \qquad a_n = a_1 r^{n-1}

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