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

You might also like to view...

Use the ratio test to determine if the series converges or diverges.

A. Converges B. Diverges

View
Mathematics

Find the rational fraction in lowest terms represented by the periodic decimal.1.181818 . . .

A.
B. 11
C. 1
D. 1

View
Mathematics

Find the length of the curve.x = 2t, y = t 3/2, 0 ? t ? 21

A. 39
B. 82
C. 78
D.

View
Mathematics

Provide the proper response.It can be shown that a hyperbola with center at the origin, foci at  and  and equation  has equation  Use this result to find an equation of a hyperbola with center at the origin, foci at  and 

src="https://sciemce.com/media/4/ppg__ttt0516191436__f1q52g6.jpg" alt="" style="vertical-align: -4.0px;" /> and absolute value of the distances from any point of the hyperbola to the two foci equal to 6.

A.  -  = 1
B. x2 - y2 = 6
C.  -  = 1
D.  -  = 1

View
Mathematics