Question

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Answer 1

Resposta:

Explicação passo-a-passo:

$\dfrac{\sqrt{12}+\sqrt{75}}{2\sqrt{147}}=\dfrac{\sqrt{4.3}+\sqrt{25.3}}{2\sqrt{49.3}}=\\\\\\=\dfrac{\sqrt{4}.\sqrt{3}+\sqrt{25}.\sqrt{3}}{2\sqrt{49}.\sqrt{3}}=\dfrac{2.\sqrt{3}+5.\sqrt{3}}{2.7.\sqrt{3}}=\\\\\\=\dfrac{7.\sqrt{3}}{2.7.\sqrt{3}}=\dfrac{1}{2}$