PDF chapter test TRY NOW

If the zeroes of the polynomial \(x^3 – 3x^2 + x + 1\) are \(a – b, a, a + b\), find \(a\) and \(b\)
 
\(a=\)
 
\(b=\)
Answer variants:
\(\sqrt{2}\)
\(-\sqrt{2}\)
\(-\sqrt{3}\)
\(\sqrt{3}\)
\(1\)
\(2\)