(t+1)^2(t-1)^2(t^2+t+1)^2(t^2-t+1)^2的答案是否为t^12-2t^6+1

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/30 13:51:47
(t+1)^2(t-1)^2(t^2+t+1)^2(t^2-t+1)^2的答案是否为t^12-2t^6+1
x)(6Ԍ3(хPqF08#]k<[l=ٱ$Hר$L&H P56yvPcmz M`EO?ol#>mqF`f4X] ( R&I ` 2ųM0 LM€ hj`„piF(BC:סR4хЀpAt"( u6<ٽ#

(t+1)^2(t-1)^2(t^2+t+1)^2(t^2-t+1)^2的答案是否为t^12-2t^6+1
(t+1)^2(t-1)^2(t^2+t+1)^2(t^2-t+1)^2的答案是否为t^12-2t^6+1

(t+1)^2(t-1)^2(t^2+t+1)^2(t^2-t+1)^2的答案是否为t^12-2t^6+1
Yes

是的。
原式=[ (t+1)(t-1)(t^2+t+1)(t^2-t+1)]^2={(t^2-1)[(t^2+1)^2-t^2}^2=[(t^2-1)(t^4+t^2+1)]^2
=(t^6-1)^2=t^12-2t^6+1

是的

(t+1)^2(t-1)^2(t^2+t+1)^2(t^2-t+1)^2
=(t²-1)²(t²+1+t)²(t²+1-t)²
=(t²-1)²((t²+1)²-t²)²
=(t²-1)²(t^4+t^2+1)²
=(t^6+t^4+t^2-t^4-t^2-1)^2
=(t^6-1)^2
=t^12+1-2t^6;
所以是的