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What is the sum of the first 10 terms of the geometric sequence 1 , -2, 4, -8, 16, 32...​?​

User Mlst
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1 Answer

3 votes

Answer:

1, -2, 4, -8, 16, -32, 64, -128, 256, -512

Explanation:

a_10=1(-2)^10-1 Is the euations for it

User Berrin
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