Hey pls answer this!! will give brainliest

How do you find the circumfrance of a circle?

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a.p.