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Enter a recursive rule for the geometric sequence. 5, -10, 20, -40,... a^1 = __; a^n = __
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3 votes
Enter a recursive rule for the geometric sequence.

5, -10, 20, -40,...

a^1 = __; a^n = __

User Travis Griggs
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3.3k points

1 Answer

3 votes

Answer

a^1=-2,5

a^n=a×a^n-1

User RoduanKD
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