c-4 = 4 c = 8 a-b +8-4=6 a-b = 2 4a-2b +8-4 = 10 2a-b = 3 a = 1 ,b = -1 ,c = 8 (2-3+32)/(3-2+32)=31/33 273 views SONU , 16:24