Expand
64r^{2}+48rs+9s^{2}
Evaluate
\left(8r+3s\right)^{2}
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64r^{2}+48rs+9s^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(8r+3s\right)^{2}.
64r^{2}+48rs+9s^{2}
Use binomial theorem \left(a+b\right)^{2}=a^{2}+2ab+b^{2} to expand \left(8r+3s\right)^{2}.
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