F(x)= ∫(0->x^2) e^(-t^2) dtF'(x) = 2x. e^(-x^4)F'(x) = 0x=0F''(x) = 2( 1 - 4x^4).e^(-x^4)F''(0) >0 (min)min F(x) = F(0) = 0
兄弟别这么无聊，没人会无聊到给你算题目大家都很忙
小猿搜题啊，兄弟
