Question

Calcule:
$( \sqrt{13} ) {}^{2}$
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Answer 1

Resposta:

$( \sqrt{13} )^{2}=(13^{\frac{1}{2}})^{2}=(13)^{\frac{2}{2}}}=13^{1}=13$

Propriedades:

$(a^{m})^{n}=a^{m.n}\\\\\sqrt[n]{x^m} =x^{\frac{m}{n} }\\\\a^{m}a^{n}=a^{m+n}\\\\\frac{a^{m}}{a^{n}}=a^{m-n} \\\\a^{0}=1\\\\a^{1}=a$