All pastes #2101727 Raw Edit

Mine

public text v1 · immutable
#2101727 ·published 2012-01-10 01:43 UTC
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Working (but lame):

\begin{align*}
A(x) &= \binom{a-1}{0} + \binom{a-1}{1} x + \binom{a-1}{2} x^2 + \binom{a-1}{3} x^3 + \cdots \\
x \, A(x) &= \hspace{4.93em}\binom{a-1}{0} x + \binom{a-1}{1} x^2 + \binom{a-1}{2} x^3 + \cdots
\end{align*}

Not working:

\begin{align*}
A(x) &= \binom{a-1}{0} + &\binom{a-1}{1} x + &\binom{a-1}{2} x^2 + &\binom{a-1}{3} x^3 + \cdots \\
x \, A(x) &= &\binom{a-1}{0} x + &\binom{a-1}{1} x^2 + &\binom{a-1}{2} x^3 + \cdots
\end{align*}

and various variants