Question

$3 \sqrt[2 \times 2]{?}$
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Answer 1

Răspuns:

81

Explicație pas cu pas:

$3=\sqrt[2*2]{x}\\ 3 = \sqrt[4]{x}\\3 = x^{\frac{1}{4} }\ => log_{x} 3 = \frac{1}{4}\\\frac{1}{log_{3}x} = \frac{1}{4} | ^{-1}\\\\ log_{3}x = 4 => x = 3^{4} \\x = 81$