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Please write down the process of solving math problems in senior high school.
The 1. function is that two points (root number 3,0) and (-root number 3,0) are even-odd functions, which is a typical form of 0=0+0.

The square of x must satisfy > =3 and satisfy.

2. Domain-1

3. Domain 2

Then -X is substituted, and you can get that F(-X)=-F(X) is odd function.