先說一下,我不會打開方,用"$"代替已知:k屬于R+,求證:$k+1/$(k+1)>$(k+1)
[k*(k+1)]^0.5k[k*(k+1)]^0.5+1k+1k^0.5+1/(k+1)^0.5(k+1)^0.5