Question

x⁸/9=729

tìm x    

Answer 1

\(\frac{x^8}{9}=729\)

\(x^8=729\times9\)

\(x^8=6561\)

\(x^8=3^8\)

\(\Rightarrow x=3\)

Vậy  \(x=3\).

Answer 2

\(\frac{x^8}{9}=729\)

\(x^8=729.9\)

\(x^8=6561\)

\(x^8=3^8\)

\(\Rightarrow x=3\)

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Answer 3

x⁸/9=729

x⁸=729.9

x⁸=6561

x⁸=3⁸

=>x=3

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Answer 4

x⁸/9 = 729

x⁸ = 6561 = 3⁸

=> x = 3

Answer 5

$\frac{x^8 }{9}=729$

<=> x^8 = 6561 <=> x =3 hoặc x=-3

Answer 6

x^8/9 = 729

x^8=729 . 9

x^8=6561

x^8=3^8

\(\Rightarrow x=3\)