Perform the indicated operations. Express the answer as a fraction reduced to its lowest terms.
- 
A. 
B. - 
C. 
D. 
Answer: C
Mathematics
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Find the divergence of the field F.F = 
A. 
B. 
C. 
D. 0
Mathematics
Determine the indefinite integral. Check your work by differentiation.
dx
A. 2 cot x + C
B. -2 tan x + C
C. 
+ C
D. -2 cot x + C
Mathematics
Find the indicated matrix.Let B = [-1 6 4 -3]. Find -2B.
A. [-2 12 8 -6] B. [-3 4 2 -5] C. [2 6 4 -3] D. [2 -12 -8 6]
Mathematics
Complete the identity.sec (? + ?) sec (? - ?) = ?
A. 
B. 
C. 
D. sec2? - sec2 ?
Mathematics