Find the gradient field F of the function f.f(x, y, z) = 
A. F = - 
i - 
j - 
k
B. F = - 
i - 
j - 
k
C. F = 
i + 
j + 
k
D. F = 
i + 
j + 
k
Answer: B
Mathematics
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A. 12
B. 
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A. 8 B. 9 C. 72 D. 213
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Find the exact value of the expression.sin
A. - 
B. 
C. 
D. 
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