若是正常数,,,则,当且仅当时取等号.利用以上结论,函数 ()取

是正常数,,则,当且仅当时取等号.利用以上结论,函数

()取得最小值时的值为_____

答案

相关题目

 —Everybody is going to climb the mountain. Can I go too,mom? —________W
 —Everybody is going to climb the mountain. Can I go too,mom? —________Wait till you are old enough,dear. A.Will you B.Why not? C.I hope so. D.I’m afraid not.
下列词语中,没有错别字的一组是  (   )          
下列词语中,没有错别字的一组是  (   )                                                                     A
下图是胡萝卜在不同的含氧情况下从硝酸钾溶液中吸收钾离
下图是胡萝卜在不同的含氧情况下从硝酸钾溶液中吸收钾离子和硝酸根离子的曲线。影响A、B两点和B、C两点吸收量不同的因素分别是 A.载体数量、能
 In many people’s opinion, that company, though relatively small, is pleasan
 In many people’s opinion, that company, though relatively small, is pleasant ______. A. dealt with   B. dealing with   C. to be dealt with    D. to deal with
 It is generally considered unwise to give a child _______ he or she wants.  
 It is generally considered unwise to give a child _______ he or she wants.          A. however            B. whatever           C. whichever         D. whenever
Everyone doesn't agree to the plan.Some support it while I'm one of ____oppo
Everyone doesn't agree to the plan.Some support it while I'm one of ____opposed to it.     A.those who            B.who              C.those        D.that
He gives the food        me. That’s very kind        him. A.f
He gives the food        me. That’s very kind        him. A.for, of                           B.to, of                         
________ her hair getting gray, she has decided to have it dyed. A. As    
________ her hair getting gray, she has decided to have it dyed. A. As                B. For   C. With            D. Though

最新题目