Question

The algebraic expression of an arithmetic sequence is 8n - 4 . find the sum of n terms .Is it a perfect square?




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Answer 1

Answer:

A prefix is a group of letters placed before the root of a word. For example, the word “unhappy” consists of the prefix “un-” [which means “not”] combined with the root (or stem) word “happy”; the word “unhappy” means “not happy.”