Find all real solutions of the equation. x^{\frac{2}{3}}-4=0

York

York

Answered question

2021-09-26

Find all real solutions of the equation.
x234=0

Answer & Explanation

au4gsf

au4gsf

Skilled2021-09-27Added 95 answers

Step 1
The given equation can be written in the form of
a2b2=(a+b)(ab)
Step 2
x234=0
(x13)222=0
(x13+2)(x132)=0
x=(2)3=8
or
x=23=8
Therefore, the solutions for the given equation are x=8 and x=-8

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