Find all specified roots.Fifth roots of 1.
A. 1, cis , cis
, cis
, cis
B. 1, cis , cis
, cis
, cis
C. 1, cis , cis
, cis
,-1
D. -1, cis , cis
, cis
, cis
Answer: A
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Solve, finding all solutions in [0, 2?). Give an exact answer unless indicated otherwise. =
A. ,
B. ,
C. ,
D. ,
Provide an appropriate answer.Fill in the blanks (four of them) with the best responses:To use DeMoivre's theorem to find the n nth roots of a complex number: 1. Express the number in ________________form. 2. Express the root as a ________________ exponent. 3. Use n =
with ? to find one root. 4. Use
n =
and add _______° to ?, _________ times.
A. rectangular; decimal; 360; n - 1 B. fractional; polar; 360; n - 1 C. fractional; polar; 180; n - 1 D. polar; fractional; 360; n - 1
Solve.x2 = 9
A. ±4 B. 4.5 C. 3 D. ±3
Describe and graph the interval of real numbers.(-1, 4)
What will be an ideal response?