Contact us
Choose a category below so we can get back to you as quickly as possible.
解 f(x)是奇函數 ∴f(-x)=-f(x) ∵g(x)是偶函數 ∴g(-x)=g(x) ∵f(x)-g(x)=x^2+3x+2 ∴f(-x)-g(-x)=(-x)^2+3(-x)+2=x^2-3x+2 即-f(x)-g(x)=x^2-3x+2 ∴f(x)+g(x)=-x^2+3x-2
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.