Find the radius of convergence of the series. Select the correct answer.
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d. [-16,-4]
Mathematics
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Compute the unit binormal vector and torsion of the curve. r(t) = 
A. B(t) = 
, ? = 
B. B(t) = 
, ? = 
C. B(t) = 
, ? = 
D. B(t) = 
, ? = 
Mathematics
Solve the equation.
?
?
A. 2, 7 B. 4, 5 C. ?1, 8 D. no solution E. -7, 2
Mathematics
Simplify the complex rational expression.
A. 
B. -1
C. - 
D. - 
Mathematics
Determine the size of matrix A and tell whether it is a square matrix, row matrix, column matrix, or none of these.A = 
A. 6 × 6; square matrix B. 9; none of these C. 3 × 3; square matrix D. 2 × 3; none of these
Mathematics