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Mathematics, 31.03.2021 17:00 nickname0097

the 1st, 5th and 8th term of a linear sequence are in geometric progression. If the 2nd and 8th term sum up to 30. Find the 1st term​

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the 1st, 5th and 8th term of a linear sequence are in geometric progression. If the 2nd and 8th term...
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