resolve pra mim X A QUARTA -81=0
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Boa noite!
Solução!
![x^{4} -81=0\\\\\
x^{4}=81\\\\\\\
x= \sqrt[4]{81}\\\\\
x= \sqrt[4]{3^{4} }\\\\\\
3.3.3.3=81\\\\\
x=3 x^{4} -81=0\\\\\
x^{4}=81\\\\\\\
x= \sqrt[4]{81}\\\\\
x= \sqrt[4]{3^{4} }\\\\\\
3.3.3.3=81\\\\\
x=3](https://tex.z-dn.net/?f=+x%5E%7B4%7D+-81%3D0%5C%5C%5C%5C%5C%0A+x%5E%7B4%7D%3D81%5C%5C%5C%5C%5C%5C%5C%0Ax%3D+%5Csqrt%5B4%5D%7B81%7D%5C%5C%5C%5C%5C%0Ax%3D+%5Csqrt%5B4%5D%7B3%5E%7B4%7D+%7D%5C%5C%5C%5C%5C%5C%0A3.3.3.3%3D81%5C%5C%5C%5C%5C%0Ax%3D3+++)
Boa noite!
Bons estudos!
Solução!
Boa noite!
Bons estudos!
netonerd1:
nao
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