Evaluate
\frac{\left(16x+1\right)^{2}}{16}
Expand
16x^{2}+2x+\frac{1}{16}
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16x^{2}+2x+\frac{1}{16}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(4x+\frac{1}{4}\right)^{2}.
16x^{2}+2x+\frac{1}{16}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(4x+\frac{1}{4}\right)^{2}.
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