Special Products Rule 2

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Expand $(11u - v)^2$

**Answer**

$\;\;\;(11u - v)^2$

$=(A - B)^2 \text{, where } A = 11u \text{ and } B = v $

$=A^2 - 2AB + B^2$

$=(11u)^2 - 2(11u)(v) + (v)^2 $

$=121u^{2} - 22uv +v^{2} $