Evaluate
\frac{\left(1-32b\right)^{2}}{16}
Expand
64b^{2}-4b+\frac{1}{16}
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64b^{2}-4b+\frac{1}{16}
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(-8b+\frac{1}{4}\right)^{2}.
64b^{2}-4b+\frac{1}{16}
Use binomial theorem \left(p+q\right)^{2}=p^{2}+2pq+q^{2} to expand \left(-8b+\frac{1}{4}\right)^{2}.
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