Gleichung schnell lösbar

Is 2 times x high 1/2 equal to x?

\(2*x^{1/2}=2\sqrt{x}\ne x\)

Gleichung schnell lösbar.

Ist 2 mal x hoch 1/2 gleich x?

\(2x^{(\frac{1}{2})}=x\)

\(2\times\sqrt{x}=x\)

\(4x=x^2\)

\(x^2-4x=0\)

\(x_1=0\)

\(x_2=4\)

Ist 2 mal x hoch 1/2 gleich x?

\(Ja, \ wenn\ x \in \left\{ 0;4\right\} \ ist.\)

  !

\(Is \ 2\ times \ x \ high \ 1/2 \ equal\ to\ x?\)

\(Yes,\ if \ x \in \left\{ 0;4\right\} .\)

\(2\times\sqrt{x}=x\).           \(2\times\sqrt{x}=x\)

\(2\times\sqrt{0}=0\),           \(2\times\sqrt{4}=4\)  

\(\Large 2\times0=0\).       \(2\times 2=4\)    

song     

\(0=0\).                      \(4=4\) 

\(The \ heading\ reads\ ''{\color{blue}equation}\ fast \ solvable\ ''.\)

Best regards, asinus :- )

A popular equation from Colonia:

https://www.youtube.com/watch?v=FccpfM-P4vY

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