Additional Concepts
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x ^ { 7 } - 1 = 0

A)

1 , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right) , \cos \left( 205.7 ^ { \circ } \right) + i

\sin \left( 205.7 ^ { \circ } \right) , \cos \left( 257.1 ^ { \circ } \right) + i \sin \left( 257.1 ^ { \circ } \right) , \cos \left( 308.6 ^ { \circ } \right) + i \sin \left( 308.6 ^ { \circ } \right)

B)

1 , \cos \left( 25.7 ^ { \circ } \right) + i \sin \left( 25.7 ^ { \circ } \right) , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 77.1 ^ { \circ } \right) + i \sin \left( 77.1 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right)

,

\cos \left( 128.6 ^ { \circ } \right) + i \sin \left( 128.6 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right)

C)

1 , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right) , \cos \left( 205.7 ^ { \circ } \right) + i

\sin \left( 205.7 ^ { \circ } \right) , \cos \left( 257.1 ^ { \circ } \right) + i \sin \left( 257.1 ^ { \circ } \right) , \cos \left( 308.6 ^ { \circ } \right) + i \sin \left( 308.6 ^ { \circ } \right) , - 1

D)

- 1 , \cos \left( 25.7 ^ { \circ } \right) + i \sin \left( 25.7 ^ { \circ } \right) , \cos \left( 51.4 ^ { \circ } \right) + i \sin \left( 51.4 ^ { \circ } \right) , \cos \left( 77.1 ^ { \circ } \right) + i \sin \left( 77.1 ^ { \circ } \right) , \cos \left( 102.9 ^ { \circ } \right) + i \sin \left( 102.9 ^ { \circ } \right)

,

\cos \left( 128.6 ^ { \circ } \right) + i \sin \left( 128.6 ^ { \circ } \right) , \cos \left( 154.3 ^ { \circ } \right) + i \sin \left( 154.3 ^ { \circ } \right)

Visualize Scalar Multiplication, Vector Addition, and Vector Subtraction as Geometric −2v- 2 v−2v

Multiple Choice