Find all real solutions of the equation.


Mathematics

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Find the series' radius of convergence.

A. ?, for all x B. 1 C. 2 D. 0

Mathematics

Find the probability.A digit is chosen randomly from the digits 0 through 9 and then 7 is added to the digit and the sum recorded. Find the probability that the sum is 11.

A.
B.
C. 0
D.

Mathematics

Find the work done by F over the curve in the direction of increasing t.F = xyi + 6j + 2xk; C: r(t) = cos 5ti + sin 5tj  + tk, 0 ? t ? 

A. W = 
B. W = 
C. W = 0
D. W = 

Mathematics

Solve the equation. Find imaginary solutions if possible. = x

A. {1, -9} B. {±1, -9} C. {-9} D. {1}

Mathematics