Find the principle unit normal vector to the curve given below at the specified point.
?
, 
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: B
Mathematics
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Use Gauss's Divergence Theorem to calculate 
.F(x, y, z) = 4x3i + 4y3j + 4z3k; S: the thick sphere 25 ? x2 + y2 + z2 ? 36
A. 
?
B. 1092?
C. 
?
D. 223,248?
Mathematics
Write the first three terms of the expansion.(3x + 2y)7
A. 2187x7y + 10,206x6y2 + 20,412x5y3 B. 2187x7 + 10,206x6y + 20,412x5y2 C. 7x7y + 6x6y2 + 5x5y3 D. 7x7 + 6x6y + 5x5y2
Mathematics
Provide an appropriate response.List five perfect cubes.
What will be an ideal response?
Mathematics
Solve the equation for the indicated variable.d = rt
for r
A. r = 
B. r = dt
C. r = 
D. r = d - t
Mathematics