Darling,s Products
المؤلف:
Bailey, W. N.
المصدر:
"Darling,s Theorems of Products." §10.3 in Generalised Hypergeometric Series. Cambridge, England: Cambridge University Press
الجزء والصفحة:
pp. 88-92
15-6-2019
1892
Darling's Products
A generalization of the hypergeometric function identity
 |
(1)
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to the generalized hypergeometric function 
. Darling's products are
![_3F_2[alpha,beta,gamma;z; delta,epsilon ]_3F_2[1-alpha,1-beta,1-gamma;z; 2-delta,2-epsilon ]
=(epsilon-1)/(epsilon-delta)_3F_2[alpha+1-delta,beta+1-delta,gamma+1-delta;z; 2-delta,epsilon+1-delta ]_3F_2[delta-alpha,delta-beta,delta-gamma;z; delta,delta+1-epsilon ]
+(delta-1)/(delta-epsilon)_3F_2[alpha+1-epsilon,beta+1-epsilon,gamma+1-epsilon;z; 2-epsilon,delta+1-epsilon ]_3F_2[epsilon-alpha,epsilon-beta,epsilon-gamma;z; epsilon,epsilon+1-delta ]](http://mathworld.wolfram.com/images/equations/DarlingsProducts/NumberedEquation2.gif) |
(2)
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and
![(1-z)^(alpha+beta+gamma-delta-epsilon)_3F_2[alpha,beta,gamma;z; delta,epsilon ]
=(epsilon-1)/(epsilon-delta)_3F_2[delta-alpha,delta-beta,delta-gamma;z; delta,delta+1-epsilon ]_3F_2[epsilon-alpha,epsilon-beta,epsilon-gamma;z; epsilon-1,epsilon+1-delta ]
+(delta-1)/(delta-epsilon)_3F_2[epsilon-alpha,epsilon-beta,epsilon-gamma;z; epsilon,epsilon+1-delta ]_3F_2[delta-alpha,delta-beta,delta-gamma;z; delta-1,delta+1-epsilon ],](http://mathworld.wolfram.com/images/equations/DarlingsProducts/NumberedEquation3.gif) |
(3)
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which reduce to (◇) when 
.
REFERENCES:
Bailey, W. N. "Darling's Theorems of Products." §10.3 in Generalised Hypergeometric Series. Cambridge, England: Cambridge University Press, pp. 88-92, 1935.
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