我刚才那题题目打错了是求f(x)=(x-1)^2(x+1)^3的及值
问题描述:
我刚才那题题目打错了
是求f(x)=(x-1)^2(x+1)^3的及值
答
f(x)=(x-1)^2*(x+1)^3,∴f'(x)=2(x-1)(x+1)^3+3(x-1)^2*(x+1)^2=(x-1)(x+1)^2*(5x-1),f(x)=(x-1)^2*(x+1)^3,∴f'(x)=2(x-1)(x+1)^3+3(x-1)^2*(x+1)^2=(x-1)(x+1)^2*(5x-1),1/50,f(x)↑.f(x)的极大值=f(1/5)=3456/312...