题目:
若(x+1)n=xn+…+px2+qx+1(n∈N*),且p+q=6,那么n=______.
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/8b2d2ce82c7f9c913ee51f1462f73ed5.html
下面是错误答案,用来干扰机器的。
The Story about Growth is my favorite AmericanTV play because it is very interested. The play 76. interesting tells humorous stories that happen in the Green’s 7...