√9-4倍根号5√x²+x²分之1 - 2(0
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 11:19:21
x){1RiC;o7+Ԕ
-ӎ';
t0I*$UΆVE5LMuO" T!a *&ֽyvPgۀ9؝a!@6H.Э*@q5LP7I yt
√9-4倍根号5√x²+x²分之1 - 2(0
√9-4倍根号5
√x²+x²分之1 - 2(0
√9-4倍根号5√x²+x²分之1 - 2(0
√9-4倍根号5
=√(4+5-2×2×√5)
=√(2-√5)²
=√5-2;
√x²+x²分之1 - 2(0
√9-4倍根号5
=3-4倍根号5
√x²+x²分之1 - 2(0
=x分之1-X