Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = 
A. f(x) = 
+ 
- 
(sin x - sin 2x + . . .)
B. f(x) = 
+ 
- 
(sin x + sin 2x + . . .)
C. f(x) = 
+ 
+ 
(sin x - sin 2x + . . .)
D. f(x) = 
+ 
+ 
(sin x + sin 2x + . . .)
Answer: D
Mathematics
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A. 
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, y = 
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Solve the problem.Rooms in Dormitory A each have 112 square feet of floor space. These rooms have twice as much floor space as each room in Dormitory B. About how much floor space does a room in Dormitory B have?
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