i am supposed to sketch the function x^(2/3) - x^(-2/3)

is there any general rule for sketching functions of this form, i.e. involving the addition or subtraction of the same variable with different indices?

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- March 9th 2010, 09:42 PMfuror celticaindice
i am supposed to sketch the function x^(2/3) - x^(-2/3)

is there any general rule for sketching functions of this form, i.e. involving the addition or subtraction of the same variable with different indices? - March 9th 2010, 10:23 PMProve It