MasteringGMAT wrote:
If x = -1 and if n is the sum of the first 404 prime numbers, then \(x + x^n + x^{n+1} + x^{n+2}\) =
A. -4
B. -2
C. 0
D. 2
E. 4
Interesting enough in my version of GMAT Prep, D is 1, which makes it an easier question in case someone messes up with positive/negative addition. or maybe not.
Statistics : Posted by bb • on 29 Jun 2023, 08:32 • Replies 5 • Views 1593
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