Work Step by Step
Simplify. $(7 -\sqrt 3)^2 $ Since, $(a-b)^2=a^2+b^2-2ab$ Therefore, $(7 -\sqrt 3)^2 =49+3-14\sqrt 3$ or, $=52-14\sqrt 3$ Thus, the given radical term can be written as: $52-14\sqrt 3$
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