Jika a = 7/5 1/3 maka (a-1)2 By Admin ReiPosted on December 5, 2022 Jika a = 7/5 1/3 maka (a-1)2 A=7/5 1/3= 7/5+1/3= 21/15+5/15=26/15(a-1)^2=(26/15-15/15)^2=(11/15)^2=121/225