giải bất phương trình \(\sqrt{4^2-4x-11}=8x^2-8x-28\) có tổng các nghiệm là?

giải bất phương trình \(\sqrt{x^2+4x-5}\)≤x+3

Có tất cả: 25+14=39 (cái bánh)

Read the passed . Put the verbs in correct form

wake up / be /do/ clean/ wash up/ leave/ go to bed/ have/ live/ not get up/ catch/ get/ have/ read/ come/ go out/ continue/ watch/ have/ be not.

Peter White ........ a bank manager . He .....married and .....in a flat in the countryside . Every day he ......at 7 o'clock but he ...... until.....7.15. He.......a shower and....dressed. After breakfast he.......his teeth . He ......the house at eight o'clock and ......the 8.15 train to Manchester. On the train he......the newspaper and.....the crossword. He always....lunch at the office then has a rest before he........his work at 1.30.He.......home at about half past six. After dinner he.......then he usually .....TV . At weekend he sometimes ....for dinner with his friends in a restaurant and they ....some drinks. He usually ....at about 11.30

cho a>0. Chứng minh BĐT 4a\(^3\)+\(\frac{1}{a}\)\(\ge\)4a