Find all specified roots.Seventh roots of 1.
A. 1, cis , cis
, cis
, cis
, cis
, cis
B. -1, cis , cis
, cis
, cis
, cis
, cis
C. 1, cis , cis
, cis
, cis
, cis
, cis
D. 1, cis , cis
, cis
, cis
, cis
, cis
, -1
Answer: C
Mathematics
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Let P = , X =
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, where all the elements are real numbers. Use these matrices to determine whether the statement is true or false for 2 × 2 matrices.k(X + T) = kX + kT, for any real number k.
A. True B. False
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A. Linear B. Quadratic
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Perform the indicated operations.
A. 0.27 B. 2.7 C. 27 D. 3.7
Mathematics