Question

tìm các số nguyên x, y thuộc vào Z biết:

\(\dfrac{x}{12}=\dfrac{3}{x}\)

Answer 1

\(\dfrac{x}{12}=\dfrac{3}{x}\)

\(\Rightarrow x.x=12.3\)

\(\Rightarrow x^2=36\)

\(\Rightarrow x^2=\left(\pm6\right)^2\)

\(\Rightarrow\pm6\)

Answer 2

\(\dfrac{x}{12}\)=\(\dfrac{3}{x}\)

x.x=12.3

x² = 36

x² = ⊥6

\(\Rightarrow\) x=⊥ 6

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