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OpenStudy (anonymous):
0=x^(-1/3) Solve for x
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OpenStudy (anonymous):
x=1? @hartnn
hartnn (hartnn):
nopes... cube both side , what u get ?
OpenStudy (anonymous):
how did you get x=0?
hartnn (hartnn):
u have choices / options ?? because x is not 0.
OpenStudy (anonymous):
i have to find critical points of x^(2/3). so i took it's derivative and got (-2/3)x^(-1/3) then i set it equal to zero
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hartnn (hartnn):
ok, x^(-1/3) = 0 will have no solution....so no critical points...
OpenStudy (anonymous):
oh, ok thanks again. a little rusty on math
hartnn (hartnn):
welcome ^_^
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