SOLUTION: find the first, second, and tenth terms of the sequence An=(-1)^n (2n-1)/2n+7

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Question 1115224: find the first, second, and tenth terms of the sequence
An=(-1)^n (2n-1)/2n+7
Answer by ikleyn(52797) About Me  (Show Source):
You can put this solution on YOUR website!
.
Substitute the corresponding value of n = 1, 2, 10 into the formula and calculate.


And never come again to this forum with such questions, PLEASE.