Find the curvature of the space curve.r(t) = 
(1 + t)3/2i +
(1 - t)3/2j + 
tk
A. ? = 
B. ? = 
C. ? = 
D. ? = 
Answer: C
Mathematics
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Find the eccentricity of the ellipse.16x2 + y2 = 16
A. 
B. 
C. 
D. 
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Use the product rule to simplify the expression.
A. 3
B. 3
C. 5
D. 
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Subtract and simplify. Write the answer as a mixed number as needed.15 - 
A. 15
B. 14
C. 14
D. 12
Mathematics
Use Cramer's Rule to solve the system of equations. Use technology to compute the determinants involved.
A. {(1, 2, 1)} B. {(8, 1, 2)} C. {(8, -1, -2)} D. {(9, -1, 2)}
Mathematics