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Recently Referred Formulae

_{f|}\ddot{a}_{\overline{n}|}=\ddot{a}_{\overline{n+f}|}-\ddot{a}_{\overline{n}|}

x = y
{}_{x=2y}

f(x)=\frac{1}{x}
y &=& \log_e x \\
\frac{d}{dx}y &=& \frac{1}{x}