数学题求解答过程,详细点,谢谢

2024-12-12 10:39:11
推荐回答(2个)
回答1:


B

回答2:

U={1,2,3,4}
CuM = {2,3}
=>M={1,4}
x=1
x^2-5x+p=0
1-5+p=0
p=4
x=4
x^2-5x+p=0
16-20+p=0
p=4
=>
p=4