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→Negative exponents: clean ref |
m →Integer powers in algebra: insert missing space “ifxy=yx” → “if xy=yx” |
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Line 508:
x^{m+n}&=x^m x^n\\
(x^m)^n&=x^{mn}\\
(xy)^n&=x^n y^n \quad \text{if } xy=yx, \text{and, in particular, if the multiplication is commutative.}
\end{align}</math>
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