当1<x<5时,化简√x方-2x+1 -√x方-10x+25

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/05 02:31:33
当1<x<5时,化简√x方-2x+1 -√x方-10x+25

当1<x<5时,化简√x方-2x+1 -√x方-10x+25
当1<x<5时,化简√x方-2x+1 -√x方-10x+25

当1<x<5时,化简√x方-2x+1 -√x方-10x+25
当1<x<5时,化简
√x方-2x+1 -√x方-10x+25
=√(x-1)²-√(x-5)²
=x-1-(5-x)
=2x-4
您好,很高兴为您解答,skyhunter002为您答疑解惑
如果本题有什么不明白可以追问,如果满意记得采纳
如果有其他问题请采纳本题后另发点击向我求助,答题不易,请谅解,谢谢.
祝学习进步

=!x-1!-!x-5!
=(x-1)-(5-x)
=2x-6
!!为绝对值

√x方-2x+1 -√x方-10x+25=√(x-1)²-√(x-5)²
当1<x<5时,原式=x-1-(5-x)=2x-6