dhibitisho ya A^tA kuwa isiyobadilika karibu 39:00 ilikuwa nzuri!####[['dhibitisho', 'Mathematical_Related_Concept', 'POS'], ['A^tA', 'Mathematical_Related_Concept', 'POS'], ['isiyobadilika', 'Mathematical_Related_Concept', 'POS']]