English: So, ΓS, we had seen previously it was a1 by b1, but that was the case when bs was equal to 0.
Telugu: కాబట్టి ΓS , మనం ఇంతకుముందు చూసాము ఇది a1 బై b1,కానీ అది bs 0 కి సమానం అయినప్పుడు.