Contact us
Choose a category below so we can get back to you as quickly as possible.
∵f(x)在x∈(0,1]上是增函數,∴f′(x)=2a-3x2在(0,1]上恒為正,∴2a>3x2恒成立,即a>32x2,∵x∈(0,1],∴32x2∈(0,32],∴a>32,又當a=32時也成立,∴a≥32.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.