If $${x^2} + \frac{1}{5}x + {a^2}$$is a perfect square, then a is? – McqOptions

MCQOPTIONS

1.	If $${x^2} + \frac{1}{5}x + {a^2}$$is a perfect square, then a is?
A.	$\frac{1}{{100}}$$
B.	$ \pm \frac{1}{{10}}$$
C.	$\frac{1}{{10}}$$
D.	$ - \frac{1}{{10}}$$
Answer» D. $ - \frac{1}{{10}}$$

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