- #1
burkley
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Homework Statement
Power Rule: If r and s are integers with no common factor and s=/=0, then
lim(f(x))r/s = Lr/s
x[tex]\rightarrow[/tex]c
provided that Lr/s is a real number. (If s is even, we assume that L>0)
How can I prove it?
Homework Equations
The Attempt at a Solution
I heard that the proof is related to The Sandwich Theorem