Perform the matrix multiplication.Find AB for A = 
and B = 
.
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the center of mass of a thin plate covering the given region with the given density function.The region bounded by the parabola y = 64 - x2 and the x-axis, with density ?(x) = 8x2
A. 
= 0, 
= 
B. 
= 0, 
= 
C. 
= 0, 
= 
D. 
= 
, 
= 0
Mathematics
Find the length of the curve.x = t3, y = 2t2, 0 ? t ? 1
A. 
B. 
C. 
D. 
Mathematics
Use analytical methods to solve the equation.
= - 
A. - 
B. No solution
C. - 
D. - 
Mathematics
Perform the indicated operations. Give the answer in lowest terms.
+ 
- 
A. 
B. 
C. 
D. 
Mathematics