84x^(4/3)-42x^(-1/2)

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Solution for 84x^(4/3)-42x^(-1/2) equation: 


D( x )

x < 0

x = 0

x < 0

x = 0

x = 0

x in (0:+oo)

84*x^(4/3)-(42*x^(-1/2)) = 0

84*x^(4/3)-42*x^(-1/2) = 0

84*x^(4/3)-42*x^(-1/2) = 0

42*x^(-1/2)*(2*x^(11/6)-1) = 0

2*x^(11/6) = 1 // : 2

x^(11/6) = 1/2

x^(11/6) = 1/2 // ^ 6

x^11 = 1/64 // ^ 1/11

x = (1/64)^(1/11)

42/(x^(1/2)) = 0

42*x^(-1/2) = 0 // : 42

x^(-1/2) = 0

x naleu017Cy do O

x = (1/64)^(1/11)

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