(X^(-3/7))=(1/3)

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


D( X )

X = 0

X = 0

X = 0

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

X^(-3/7) = 1/3 // - 1/3

X^(-3/7)-(1/3) = 0

X^(-3/7)-1/3 = 0

1*X^(-3/7) = 1/3 // : 1

X^(-3/7) = 1/3

-3/7 < 0

1/(X^(3/7)) = 1/3 // * X^(3/7)

1 = 1/3*X^(3/7) // : 1/3

3 = X^(3/7)

X^(3/7) = 3 // ^ 7

X^3 = 2187 // ^ 1/3

X = 9*3^(1/3)

X = 9*3^(1/3)

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