Question

a,x-1/x+2.0     c,x+1/x-3>1    

ai lam nhanh nhat dung minh se tich va ket bn nhe

Answer 1

a)\(\frac{x-1}{x+2\times0}=\frac{x-1}{x}\)

b)\(\frac{x+1}{x-3}=\frac{x-3+4}{x-3}=1+\frac{4}{x-3}>1\)

Answer 2

cau nay kho that ai giai duoc minh h

Answer 3

a, 2n-1/n+1  tim n          b, x-1/x+2   >0

nhanh len minh can gap lam ai dung va nhanh minh h va ket bn nhe