Question

What are the roots of the polynomial P(s)=3s^2+19 ?

Answer 1

It does not have a real root

Answer 2

But it does have roots...

Answer 3

3s^2=-19
s^2=-19/3
s=+ or - isqrt{19/3}

Answer 4

They are called complex

Answer 5

\[-\sqrt{\frac{19}{3}}i,\sqrt{\frac{19}{3}}i\]

Answer 6

Thank you to all !!!!!