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Find All Specified Roots ii
A) B) C) D)

Question 78

Multiple Choice

Find all specified roots.
-Seventh roots of ii .


A) cisπ14,cis5π14,cis9π14,cis13π14,cis17π14,i,cis25π14\operatorname { cis } \frac { \pi } { 14 } , \operatorname { cis } \frac { 5 \pi } { 14 } , \operatorname { cis } \frac { 9 \pi } { 14 } , \operatorname { cis } \frac { 13 \pi } { 14 } , \operatorname { cis } \frac { 17 \pi } { 14 } , - \mathrm { i } , \operatorname { cis } \frac { 25 \pi } { 14 }
B) cisπ14,cis5π14,cis9π14,cis13π14,cis17π14,i,cis25π14,i\operatorname { cis } \frac { \pi } { 14 } , \operatorname { cis } \frac { 5 \pi } { 14 } , \operatorname { cis } \frac { 9 \pi } { 14 } , \operatorname { cis } \frac { 13 \pi } { 14 } , \operatorname { cis } \frac { 17 \pi } { 14 } , - \mathrm { i } , \operatorname { cis } \frac { 25 \pi } { 14 } , \mathrm { i }
C) cisπ7,cis5π14,cis9π14,cis13π14,cis17π14,i,cis25π14\operatorname { cis } \frac { \pi } { 7 } , \operatorname { cis } \frac { 5 \pi } { 14 } , \operatorname { cis } \frac { 9 \pi } { 14 } , \operatorname { cis } \frac { 13 \pi } { 14 } , \operatorname { cis } \frac { 17 \pi } { 14 } , - \mathrm { i } , \operatorname { cis } \frac { 25 \pi } { 14 }
D) cisπ14,cis5π14,cis9π14,cis13π14,cis17π14,i,cis25π14\operatorname { cis } \frac { \pi } { 14 } , \operatorname { cis } \frac { 5 \pi } { 14 } , \operatorname { cis } \frac { 9 \pi } { 14 } , \operatorname { cis } \frac { 13 \pi } { 14 } , \operatorname { cis } \frac { 17 \pi } { 14 } , \mathrm { i } , \operatorname { cis } \frac { 25 \pi } { 14 }

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