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DLMF:15.5.E9 - MaRDI portal
Statements
d
n
d
z
n
(
z
c
-
1
(
1
-
z
)
a
+
b
-
c
F
(
a
,
b
;
c
;
z
)
)
=
(
c
-
n
)
n
z
c
-
n
-
1
(
1
-
z
)
a
+
b
-
c
-
n
F
(
a
-
n
,
b
-
n
;
c
-
n
;
z
)
.
derivative
𝑧
𝑛
superscript
𝑧
𝑐
1
superscript
1
𝑧
𝑎
𝑏
𝑐
Gauss-hypergeometric-F
𝑎
𝑏
𝑐
𝑧
Pochhammer
𝑐
𝑛
𝑛
superscript
𝑧
𝑐
𝑛
1
superscript
1
𝑧
𝑎
𝑏
𝑐
𝑛
Gauss-hypergeometric-F
𝑎
𝑛
𝑏
𝑛
𝑐
𝑛
𝑧
{\displaystyle{\displaystyle\frac{{\mathrm{d}}^{n}}{{\mathrm{d}z}^{n}}\left(z^%
{c-1}(1-z)^{a+b-c}F\left(a,b;c;z\right)\right)={\left(c-n\right)_{n}}z^{c-n-1}%
(1-z)^{a+b-c-n}\*F\left(a-n,b-n;c-n;z\right).}}
F
(
a
,
b
;
c
;
z
)
Gauss-hypergeometric-F
𝑎
𝑏
𝑐
𝑧
{\displaystyle{\displaystyle F\left(\NVar{a},\NVar{b};\NVar{c};\NVar{z}\right)}}
(
a
)
n
Pochhammer
𝑎
𝑛
{\displaystyle{\displaystyle{\left(\NVar{a}\right)_{\NVar{n}}}}}
d
f
d
x
derivative
𝑓
𝑥
{\displaystyle{\displaystyle\frac{\mathrm{d}\NVar{f}}{\mathrm{d}\NVar{x}}}}
n
𝑛
{\displaystyle{\displaystyle n}}
z
𝑧
{\displaystyle{\displaystyle z}}
a
𝑎
{\displaystyle{\displaystyle a}}
b
𝑏
{\displaystyle{\displaystyle b}}
c
𝑐
{\displaystyle{\displaystyle c}}
Identifiers