(1)(2k-1)*(2k-1)-4k*k=0 ====>k=1/4
(2)(2k-1)*(2k-1)-4k*k>0===k1/4
2...k=2时,明显不成立
(k-2)(x+1)*(x+1)-(k-2)+k+1=0===>(x+1)(x+1)=3/(2-k)
k>2,时,不成立
k
(1)(2k-1)*(2k-1)-4k*k=0 ====>k=1/4
(2)(2k-1)*(2k-1)-4k*k>0===k1/4
2...k=2时,明显不成立
(k-2)(x+1)*(x+1)-(k-2)+k+1=0===>(x+1)(x+1)=3/(2-k)
k>2,时,不成立
k