Let F(x, y, z) = 
- 5x2y3. Compute 
(-1, 0, 1).
A. 
B. - 
C. 2
D. 0
E. none of these
Answer: D
Mathematics
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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) = -x + ? -? ? x ? ?
A. f(x) = ? - 2 sin x + 
sin 2x - . . .
B. f(x) = ? - sin x + 
sin 2x - . . .
C. f(x) = ? + 2 sin x - 
sin 2x + . . .
D. f(x) = ? - 2 sin x + sin 2x - . . .
Mathematics
Perform the indicated operations. Simplify the answer.
? 
A. -16 B. 4i C. 4 D. 16i
Mathematics
Factor.9 - x2y2
A. (3 - xy)2 B. 9 - x2y2 C. (3 - xy)(3 + xy) D. (3 + xy)2
Mathematics
Write a fraction to represent the shaded part of the object.
A. 
B. 
C. 
D. 
Mathematics