已知X=根号3+根号2⼀根号3-根号2,y=根号3-根号2⼀根号3+根号2,求(1)1⼀x+1⼀y; (2)y⼀x+x⼀y的值

2025-01-05 17:09:11
推荐回答(2个)
回答1:

x=(√3+√2)/(√3-√2)=(√3+√2)²=5+2√6
y=(√3-√2)/(√3+√2)=(√3-√2)²=5-2√6
则(1)1/x+1/y
=(x+y)/(xy)
=10

回答2:

-14 194