Mathematics

The second and fifth terms of a geometric progression (g.p) are 1 and 8 respectively. Find the common ratio,first term, and the eight term.

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  1. ar = 1
    ar^4 = 8
    Now divide and you get
    r^3 = 8
    r = 2
    so, a = 1/2

    T8 = ar^7 = 2^6 = 64

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