4=x^(2/5)

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Solution for 4=x^(2/5) equation: 


x in (-oo:+oo)

4 = x^(2/5) // - x^(2/5)

4-x^(2/5) = 0

-1*x^(2/5) = -4 // : -1

x^(2/5) = 4

( 4 < 0 i 2/5 in (0:1) ) => x należy do O

x belongs to the empty set

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