9z^(-1/4)+4z^(1/4)

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Solution for 9z^(-1/4)+4z^(1/4) equation: 


D( z )

z < 0

z = 0

z < 0

z = 0

z = 0

z in (0:+oo)

4*z^(1/4)+9*z^(-1/4) = 0

t_1 = z^(1/4)

4*t_1^1+9*t_1^-1 = 0

4*t_1^1+9*t_1^-1 = 0

(4*t_1^2+9*t_1^0)/(t_1^1) = 0 // * t_1^2

t_1^1*(4*t_1^2+9*t_1^0) = 0

t_1^1

4*t_1^2+9 = 0

4*t_1^2+9 = 0

DELTA = 0^2-(4*4*9)

DELTA = -144

DELTA < 0

t_1 in { } 

z belongs to the empty set

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