The Hanafi imam says Sami‘a Allahu liman hamidah and the follower responds Rabbana laka al-hamd. For a person praying alone, combining both is the preferred Hanafi report.
Al-Shafi‘i recommends combining the two formulas for both imam and follower. The disagreement concerns how the invocations are distributed among participants.
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Ruku, Qawmah, Sujud and the Sitting Between Prostrations
The Hanafi imam says Sami‘a Allahu liman hamidah and the follower responds Rabbana laka al-hamd. For a person praying alone, combining both is the preferred Hanafi report.
Al-Shafi‘i recommends combining the two formulas for both imam and follower. The disagreement concerns how the invocations are distributed among participants.