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Solve
- x3+343=0x ^ { 3 } + 343 = 0

Question 159

Multiple Choice

Solve.
- x3+343=0x ^ { 3 } + 343 = 0


A) {7,77i32,7+7i32}\left\{ 7 , \frac { - 7 - 7 i \sqrt { 3 } } { 2 } , \frac { - 7 + 7 i \sqrt { 3 } } { 2 } \right\}
B) {7,7752,7+752}\left\{ 7 , \frac { - 7 - 7 \sqrt { 5 } } { 2 } , \frac { - 7 + 7 \sqrt { 5 } } { 2 } \right\}
C) {7,77i32,7+7i32}\left\{ - 7 , \frac { 7 - 7 i \sqrt { 3 } } { 2 } , \frac { 7 + 7 i \sqrt { 3 } } { 2 } \right\}
D) {7,77i32,7+7i32}\left\{ - 7 , \frac { - 7 - 7 i \sqrt { 3 } } { 2 } , \frac { - 7 + 7 i \sqrt { 3 } } { 2 } \right\}

Correct Answer:

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