Posted: Thu Mar 24, 2005 8:46 pm    Post subject: +-+Maths+-+

1. 若x>1, 則2+3x+4/(x-1)的最小值是_______，此時x=_______ 2. 若x>0, x + 1/x + 16x/(x^2 +1) 的最小值是_____,此時x=_______

3. 若0