a=IN2⼀2,b=IN3⼀3,c=IN5⼀5,比较三者大小

2025-04-05 18:32:44
推荐回答(2个)
回答1:

a=in2/2 =Ln2^(1/2)
b=in3/3=Ln3^(1/3)
c=in5/5 =Ln5^(1/5)

2^(1/2)与3^(1/3)比较
两边同时6次方
左边=2^3=8
右边=3^2=9
所以 2^(1/2)<3^(1/3)
a同理 c所以c

回答2:

a=in2/2
=Ln2^(1/2)b=in3/3=Ln3^(1/3)c=in5/5
=Ln5^(1/5)2^(1/2)与3^(1/3)比较两边同时6次方左边=2^3=8右边=3^2=9所以
2^(1/2)