Evaluate
\left(4a-b\right)^{2}
Expand
16a^{2}-8ab+b^{2}
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16a^{2}-8ab+b^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(4a-b\right)^{2}.
16a^{2}-8ab+b^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(4a-b\right)^{2}.
Examples
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Matrix
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Limits
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