A 0.66... that the repeating decimals
Answer: 
Step-by-step explanation:
See attached image, it's direct formula substitution.
<em><u>Option A</u></em>
<em><u>The solution is:</u></em>

<em><u>Solution:</u></em>

We have to solve the equation f(x) = 0
Let f(x) = 0

Solve the above equation


Take square root on both sides

Thus the solution is found