(x-3)零次幂+2(x+2)的-2次幂
问题描述:
(x-3)零次幂+2(x+2)的-2次幂
(x-3)零次幂+2(x+2)的-2次幂,有意义则x的范围
答
(x-3)零次幂+2(x+2)的-2次幂
=1+2/(x+2)^2我题没写完x≠3,x≠-2