Question

if alpha and beta are roots of quadratic equation x²-4x-6=0. Find the value of (i)a²+b² (ii)a³+b³

{{Here, alpha=a & beta=b}}

please can you answer this​

Answer 1

Step-by-step explanation:

X2-4x-6=0

roots=√b2-4ac/2a

√16-24/2

-2√2/2

-√2

-1.4142