Posted by **sean** on Tuesday, July 6, 2010 at 7:17am.

Which expression represents the sum of the following?

(5)/ (2t + 1) + (-1) / (4t^2 + 4t + 1)

a) 10t + 4 / (2t + 1)^2

b) 4 / (2t + 1)^3

c) 4 / 4t^2 + 6t + 2

d) 10t + 1 / (2t + 1)^2

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