题目内容
若(x-1)4=a0+a1x+a2x2+a3x3+a4x4,则a1+a2+a3+a4的值为
A.-2
B.-1
C.0
D.1
若(x-1)4=a0+a1x+a2x2+a3x3+a4x4,则a0+a2+a4的值为
A.9
B.8
C.7
D.6
若(x+2)5=a0+a1(x-1)+a2(x-1)2+a3(x-1)3+a4(x-1)4+a5(x-1)5,则a1+a3+a5的值为________(要求用数字做答)
若(x2+1)(x-3)11=a0+a1(x-2)+a2(x-2)2+…+a13(x-2)13,则a1+a2+…+a11+a12的值为
(A)-1 (B)4 (C)-6 (D)254