DLMF:17.6.E19

MaRDI QIDQ6083

• Label: DLMF:17.6.E19

Digital Library of Mathematical Functions ID 17.6.E19

${\displaystyle{\displaystyle{{}_{2}\phi_{1}}\left({aq,b\atop cq};q,z\right)-{{}_{2}\phi_{1}}\left({a,b\atop c};q,z\right)=az\frac{(1-b)(1-(c/a))}{(1-c)(1-cq)}{{}_{2}\phi_{1}}\left({aq,bq\atop cq^{2}};q,z\right),}}$

Symbols List

• ${\displaystyle{\displaystyle{{}_{\NVar{r+1}}\phi_{\NVar{s}}}\left(\NVar{a_{0},\dots,a_{r}};\NVar{b_{1},\dots,b_{s}};\NVar{q},\NVar{z}\right)}}$: basic hypergeometric (or $$q$$ -hypergeometric) function
• ${\displaystyle{\displaystyle q}}$: complex base
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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