【判断题】(1+x)ln(1+x)对x的幂级数展开式为 。
【多选题】关于ABC库存分类法,下列描述不正确的有( )。
A.
实质就是把占品种量少,而占价值比例大的货物分离出来,加以重点管理
【判断题】函数ln1/x对 X -1 的幂级数展开式为 。()
【单选题】Opportunity cost is defined as the
A.
total value of all the alternatives given up.
B.
highest-valued alternative given up.
C.
cost of not doing all of the things you would like to do.
D.
lowest-valued alternative given up.
【单选题】Opportunity cost is best defined as
A.
how much money is paid for something.
B.
how much money is paid for something, taking inflation into account.
C.
the highest-valued alternative that is given up to get something.
D.
all the alternatives that are given up to get something.
【简答题】 已知 sin(x) 的幂级数展开公式为 试利用这个公式和第1 题中的技巧,计算 sin(p/2)和 sin(31p/2) 的值,并与 Matlab 自带的 sin 函数比较,误差分别为多少?
【简答题】函数1/(1-x)在-1<x<1区间内可用下述幂级数表示 1/(1-x)=1+x+x 2 +x 3 +… (a) 先将范德华方程整理成 再用上述幂级数展开式来求证范德华气体的第二、第三维里系数分别为 B(T)=b-a/(RT),C(T)=b 2