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

question 218

Multiple Choice

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

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

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