\(\sqrt{3} = 1.732050807568877\) ... \(\pi = 3.14159\) ... Roots that cannot be written as exact decimals are called surds. Leaving an answer in surd form means the answer is exact. This square has an ...
Each term in the first bracket has to be multiplied by each term in the second bracket. One way to do this is to use a grid: The four terms cannot be simplified because each of the surds has a ...
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