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Solve by Completing the Square 16a2+1=7a16 \mathrm { a } ^ { 2 } + 1 = 7 \mathrm { a }

Question 218

Multiple Choice

Solve by completing the square.
- 16a2+1=7a16 \mathrm { a } ^ { 2 } + 1 = 7 \mathrm { a }


A) {7i1532,7+i1532}\left\{ \frac { - 7 - \mathrm { i } \sqrt { 15 } } { 32 } , \frac { - 7 + \mathrm { i } \sqrt { 15 } } { 32 } \right\}
B) {7i1532,7+i1532}\left\{ \frac { 7 - i \sqrt { 15 } } { 32 } , \frac { 7 + i \sqrt { 15 } } { 32 } \right\}
C) {7i1532,7+i1532}\left\{ \frac { - 7 - i \sqrt { 15 } } { 32 } , \frac { 7 + i \sqrt { 15 } } { 32 } \right\}
D) {7i1532,7+i1532}\left\{ \frac { 7 - \mathrm { i } \sqrt { 15 } } { 32 } , \frac { - 7 + \mathrm { i } \sqrt { 15 } } { 32 } \right\}

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