Factors of $a^{2} + \frac{1}{4} + a$ will be
- A$(a + \frac{1}{2})(a - \frac{1}{2})$
- B$(a + \frac{1}{2})^{2}$
- C$(a + \frac{1}{2})^{3}$
- D$(a + \frac{1}{2}) \cdot a$
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