Exponents Issue

[CyberAngel]

(02-06-2020 12:21 AM)Albert Chan Wrote:  X

(02-05-2020 11:05 PM)CyberAngel Wrote:  Fractional or rational exponents using Power function differ from the Root function.

I tried XCas using root, but it made no difference.
From XCas help, it says root(a,b) returns b^(1/a) (root(2,3)=sqrt(3)).

Try on an emulator and on a real calculator
CAS
a third root or cubic root of minus eight
A] NTHROOT(3,-8)

(minus eight) ←the surrounding () are mandatory
to power one 3rd
B] (-8)^(1/3)

Check the CAS complex off/ use i off and principal off

What do you get?
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