What is the recursive formula for this geometric sequence? -3, -21, -147, -1029, …

Question

What is the recursive formula for this geometric sequence?
-3, -21, -147, -1029, …

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Tài Đức 3 years 2021-08-25T10:29:42+00:00 1 Answers 0 views 0

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  1. Cherry
    0
    2021-08-25T10:31:39+00:00
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    (-3)(7)^(n-1)
    The common multiplier is 7 but the actual formula you take the first term then multiply it by the multiplier raised to the n-1

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )