已知xy都是实数,且y=根号下x-5+根号下5-x+1
求分之x+x分之y的值
人气:279 ℃ 时间:2020-05-11 02:34:06
解答
由y=根号下x-5+根号下5-x+1知:x-5≥0,5-x≥0,∴x-5=5-x=0,即x=5,此时y= 1……
你的问题没写清楚,无法向下解答,但求出了x、y值后,你可以自己向下解答,如果问题是x/y+y/x,则解答如下:x/y+y/x=5+1/5=26/5
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