Evaluate
\frac{\left(6a-5b\right)^{2}}{16}
Expand
-\frac{15ab}{4}+\frac{9a^{2}}{4}+\frac{25b^{2}}{16}
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\frac{9}{4}a^{2}-\frac{15}{4}ab+\frac{25}{16}b^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(\frac{3}{2}a-\frac{5}{4}b\right)^{2}.
\frac{9}{4}a^{2}-\frac{15}{4}ab+\frac{25}{16}b^{2}
Use binomial theorem \left(p-q\right)^{2}=p^{2}-2pq+q^{2} to expand \left(\frac{3}{2}a-\frac{5}{4}b\right)^{2}.
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