Find the gradient field of the function.f(x, y, z) = ln (x8 + y3 + z3)
A. ?f = 
i + 
j + 
k
B. ?f = 
ln ( y3 + z3)i + 
ln (x8 + z3)j + 
ln ( x8 + y3)k
C. ?f = 
i + 
j + 
k
D. ?f = 
i + 
j + 
k
Answer: A
Mathematics
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A. 84 tablets B. 56 tablets C. 21 tablets D. 315 tablets
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Divide.(9x3 + 9x2 - 22x + 19) ÷ (3x - 2)
A. x2 - 4 + 
B. 3x2 + 5x - 4 + 
C. 3x2 + 5x - 4
D. 3x2 + 5x - 4 + 
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