forgetfullness during prayer and wodoo

[Ummu Sufyaan]

what do you do when your on say the last rakah of prayer, and you remebered that during the first rakah of prayer you only performed one sajdah? does that mean that whole rakah (i.e reciting surat al-faatihah, rokoo, etc) is not counted, and therefore you have to do that whole rakah at the end, and add a sajadah tul-sahw (prostartion of forgetfullness) before the tasleem?

also, what do you do when, say you wash your arms (during wodoo), but realise that you havn'r washed your face yet. do you start the whole wodoo again, or just go back and wash your face and then rewash your arms (as to keep the sequence in its proper order)?

please you authentic material. answers will be appreciatded.

 

[Muhammad]

Wa Alaykum Assalaam,

what do you do when your on say the last rakah of prayer, and you remebered that during the first rakah of prayer you only performed one sajdah? does that mean that whole rakah (i.e reciting surat al-faatihah, rokoo, etc) is not counted, and therefore you have to do that whole rakah at the end, and add a sajadah tul-sahw (prostartion of forgetfullness) before the tasleem?

Please have a look at the following thread as it should provide some useful information Insha'Allaah:

http://www.islamicboard.com/prayer/48528-prostration-forgetfulness.html

 

[Ummu Sufyaan]

jazakallahu khair brother.