(要过程)已知a+b=-3,ab=2,求根号a⼀b+根号a⼀b的值

要过程
2024-12-31 18:24:09
推荐回答(1个)
回答1:

根号a/b+根号a/b
=(根号ab)/b+(根号ab)/a
=根号2/b+根号2/a
=(a根号2+b根号2)/ab
=根号2(a+b)/ab
=(-3根号2)/2