f(x)=1/3*x^3+1/2ax^2+bx+1 (a,b∈R,b>=-2)当x∈[-根号2,根号2]时总有f'(x)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 04:21:58
f(x)=1/3*x^3+1/2ax^2+bx+1(a,b∈R,b>=-2)当x∈[-根号2,根号2]时总有f''(x)f(x)=1/3*x^3+1/2ax^2+bx+1(a,b∈R,b>=-2)当x∈

f(x)=1/3*x^3+1/2ax^2+bx+1 (a,b∈R,b>=-2)当x∈[-根号2,根号2]时总有f'(x)
f(x)=1/3*x^3+1/2ax^2+bx+1 (a,b∈R,b>=-2)当x∈[-根号2,根号2]时总有f'(x)

f(x)=1/3*x^3+1/2ax^2+bx+1 (a,b∈R,b>=-2)当x∈[-根号2,根号2]时总有f'(x)
f'(x)=x²+ax+b=(x+a/2)²-a²/4+b