SO SÁNH A=100 mũ 99+1/+1 B = 100 mũ 98+ 1/ 100 mũ 88 +1 Giúp nhanh với ạ 30/09/2021 Bởi Alaia SO SÁNH A=100 mũ 99+1/+1 B = 100 mũ 98+ 1/ 100 mũ 88 +1 Giúp nhanh với ạ
`A={100^99+1}/{100^89+1}>1=>A={100^99+1}/{100^89+1}>{100^99+1+99}/{100^89+1+99}={100^99+100}/{100^89+100}={100(100^98+1)}/{100(100^88+1)}={100^98+1}/{100^88+1}=B` Vậy `A>B` Bình luận
`A={100^99+1}/{100^89+1}>1=>A={100^99+1}/{100^89+1}>{100^99+1+99}/{100^89+1+99}={100^99+100}/{100^89+100}={100(100^98+1)}/{100(100^88+1)}={100^98+1}/{100^88+1}=B`
Vậy `A>B`