it's 2.
That is correct!
Thanks so much! I love this website!
It says wrong, why?
@Guest, Um, not necessary.
Thanks so much!
Where is says " r s and are constants", it's actually " r and s are constants
a dog
3.141592653589793238462643383279502884197169399375105820974944
If you want to simplify, you get \(-a^2\)
