(2根号2+3)^2005次方乘以(2根号2-3)^2006次方

来源:学生作业帮助网 编辑:作业帮 时间:2024/09/01 07:51:39
(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
x)0z`FƚqF,|6m瓝3^ ԅHA$mӨ_`gCo;AmI <<]Q,(ĐhdS0kkW.o_\g )0o*mX m7Lxa=7LՄh$@q@8XA @t `5O[Wl^tԧ{FV JPP~6eۋۑd<5

(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
(2根号2+3)^2005次方乘以(2根号2-3)^2006次方

(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
(2根号2+3)^2005次方乘以(2根号2-3)^2006次方
=(2根号2+3)^2005次方乘以(2根号2-3)^2005次方×(2√2-3)
=[(2根号2+3)乘以(2根号2-3)]^2005次方×(2√2-3)
=[8-9]^2005次方×(2√2-3)
=3-2√2

(2根号2+3)^2005次方乘以(2根号2-3)^2006次方= (2根号2+3)^2005次方乘以(2根号2-3)^2005次方再乘以(2根号2-3)^1=【(2根号2+3)乘以(2根号2-3)】^2005乘以(2根号2-3)^1=[(2根号2)^2-3^2]^2005乘以(2根号2-3)=【8-9】^2005乘以(2根号2-3)=(-1)^2005乘以(2根号2-3)=-1乘以(2根号2-3...

全部展开

(2根号2+3)^2005次方乘以(2根号2-3)^2006次方= (2根号2+3)^2005次方乘以(2根号2-3)^2005次方再乘以(2根号2-3)^1=【(2根号2+3)乘以(2根号2-3)】^2005乘以(2根号2-3)^1=[(2根号2)^2-3^2]^2005乘以(2根号2-3)=【8-9】^2005乘以(2根号2-3)=(-1)^2005乘以(2根号2-3)=-1乘以(2根号2-3)=3-2根号2

收起