a+b𝑎𝑏
F(a)𝐹𝑎
1(1+a0)11subscript𝑎0
abF(x)𝑑xsuperscriptsubscript𝑎𝑏𝐹𝑥differential-d𝑥
a+F(a,b)𝑎𝐹𝑎𝑏
F(a,b)𝐹𝑎𝑏
F(a)+(ab)𝐹𝑎binomial𝑎𝑏
Ψ||Φ+abF(x)𝑑xquantum-operator-productΨΦ𝑥𝑎𝑏𝐹𝑥
abF(x)𝑑x𝑥𝑎𝑏𝐹𝑥
(F(a)a+b)binomial𝐹𝑎𝑎𝑏