Write out the sum.

A. 3 + 5 + 7 + ... + (2n - 1)
B. 1 + 3 + 5 + ... + (2n + 1)
C. 3 + 5 +7+ ... + (2n + 1)
D. 1 + 3 + 5 + ... + (2n - 1)


Answer: D

Mathematics

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