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- #1

- Jan 17, 2013

- 1,667

Prove the following

\(\displaystyle {}_2\phi_1 (a,b;c;q,z) =\frac{(b;q)_\infty (az;q)_\infty}{(c;q)_\infty (z;q)_\infty} {}_2\phi_1 \left(\frac{c}{b},z;az;q,b \right)\)

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