Question

tìm x

\(\frac{6\frac{1}{4}}{x}=\frac{x}{1.96}\)

Answer 1

\(\frac{6\frac{1}{4}}{x}=\frac{6,25}{x}=\frac{x}{1,96}\)

\(\Rightarrow x.x=6,25.1,96\)

\(\Rightarrow x^2=12,25\)

\(\Rightarrow x=\sqrt{12,25}=3.5\)

Answer 2

\(\frac{6\frac{1}{4}}{x}=\frac{x}{1.96}\)

=> \(x^2=6\frac{1}{4}.96\)

=> \(x^2=600\)

=> \(x\approx24,5\)