x^(-3/7)=1/4

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Solution for x^(-3/7)=1/4 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

x^(-3/7) = 1/4 // - 1/4

x^(-3/7)-(1/4) = 0

x^(-3/7)-1/4 = 0

1*x^(-3/7) = 1/4 // : 1

x^(-3/7) = 1/4

-3/7 < 0

1/(x^(3/7)) = 1/4 // * x^(3/7)

1 = 1/4*x^(3/7) // : 1/4

4 = x^(3/7)

x^(3/7) = 4 // ^ 7

x^3 = 16384 // ^ 1/3

x = 16*4^(1/3)

x = 16*4^(1/3)

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