Question

f(x)=3x²-1;x=-1/√3;2/√3

Answer 1

Answer:

1 case answer is 0

2 case answer is 3

Step-by-step explanation:

just see in picture

Answer 2

Answer:

3x^2 -1=3(-1/√3)^2-1

=3(1/3)-1

=0

3x^2-1

3x^2-1

=3(2/√3)^2-1

=3(4/3)-1

3