Question

高等数学 证明？

Answer 1

gress of productivity, metallurgy tech

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nology, length, shape of bronze jian in this period also great changes have taken place, during this period is not only a theory of fencing, but also the spiritual connotation, the assignment of the right leadership, the cremation class spiri

Answer 2

利用给定的已知可得，证明如下

追答

望采纳～

Answer 3

把所给公式的x换成1+1/n，这样区间长度是1/n，被积函数1/t的最小值是n/(n+1)最大值是1，然后根据定积分的性质（在课本上这一节），得到下面的不等式。