Thank you! In fact the rule
expandPowers := rule x^(n+k) == x*x^(n+k-1)
also seems to work well. But why does Axiom not automatically apply this rule for simplification of expressions involving powers, as other CAS's (Maple, Maxima, Mathematica) do?
Thanks again,
Alasdair
On Sat, Aug 2, 2008 at 12:41 AM, Themos Tsikas
<address@hidden> wrote:
On Friday 01 August 2008, Alasdair McAndrew wrote:
> f(n)==7^n
> f(n+1)-7*f(n)
> simplify(%)
normalize %
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