(b-2√b+1)/(√b-b) Сократите дробь

Question

(b-2√b+1)/(√b-b) Сократите дробь

Answer 1

(b-2√b+1)/(√b-b)  = ((√b-1)(√b-1))/(√b(1-√b))=-(√b-1)/√b =1/√b -1=√b/b-1