Solve.
= 3
A. 
B. 18
C. 
D. 6
Answer: C
Mathematics
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Find the unit tangent vector of the given curve.r(t) = 
i + 
j - 5tk
A. T = 
i + 
j - 
k
B. T = 
i + 
j - 
k
C. T = 
i + 
j - 
k
D. T = 
i + 
j - 
k
Mathematics
Evaluate the work done between point 1 and point 2 for the conservative field F.F = 4xe2x2-7y2-6z2i - 14ye2x2-7y2-6z2j - 12ze2x2-7y2-6z2k ; P1(0, 0, 0) , P2(1, 1, 1)
A. W = e-11 - 1 B. W = e-11 C. W = 0 D. W = e2 + e-7 + e-6 - 1
Mathematics
Fill in the blank with one of the words or phrases listed below. 
is a measure of the amount of substance in an object. This measure does not change.
A. Mass B. Weight C. Volume D. Area
Mathematics
Determine whether the equation is an identity. If it is an identity, prove it.
+ 
= 2 csc x
What will be an ideal response?
Mathematics