Plz help me!
If 2, -4, 8 , -16 , 32 , -64 , 128 are the given geometric sequence, then how can i put it in Sigma notation? This is urgent!
Sigma notation / Geometric sequence
2007-05-17 6:54 pm
回答 (1)
2007-05-17 9:55 pm
✔ 最佳答案
sigma -(-2^i) [i = 1 to n]
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070517000051KK00860