Solve the equation. Identify any extraneous solutions.

w=sqrt 7w

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25-07-2018
Mathematics

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Solve the equation. Identify any extraneous solutions.

w=sqrt 7w

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gmany gmany · Answer 1 · 2018-07-29T21:53:06+02:00

gmany gmany

29-07-2018

[tex]The\ domain:\\D:w\geq0\\\\w=\sqrt{7w}\ \ \ |^2\\\\w^2=7w\ \ \ \ |-7w\\\\w^2-7w=0\\\\w(w-7)=0\iff w=0\ \vee\ w-7=0\ \ \ |+7\\\\w=0\in D\ \vee\ w=7\in D[/tex]

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Solve the equation. Identify any extraneous solutions. w=sqrt 7w

Respuesta :

Otras preguntas

Solve the equation. Identify any extraneous solutions.

w=sqrt 7w