已知[x-3]5=ax5+bx4+cx3+dx2+ex+f,试求a+b+c+d+e+f的值.

问题描述:

已知[x-3]5=ax5+bx4+cx3+dx2+ex+f,试求a+b+c+d+e+f的值.

a+b+c+d+e+f
=a*1^5+b*1^4+c*1^3+d*1^2+e*1+f
=(1-3)^5
=(-2)^5
=-32