Geometrical Progression (G.P.)

Geometrical Progression (G.P.)


  • Posted by  Surya 
    28 Jan, 2012

    A progression of numbers in which every term bears a constant ratio with its preceding term, is called a geometrical progression.
    The constant ratio is called the common ratio of the G.P. A G.P. with first term a and common ratio r is :
    a, ar, ar2,
    In this G.P. Tn = arn-1
    sum of the n terms, Sn= a(1-rn)/(1-r)

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