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Math

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The 8th term of a g.p is -7/32 fine it's common ration if its first term is 28

  • Math - ,

    term 1 = a = 28
    term 2 = a r
    term 3 = a r^2

    term 8 = a r^7 = -7/32

    28 r^7 = -7/32

    r^7 = -1/(4*32)

    r^7 = -1/2^7

    r = -1/2

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