Question

Show that root 2 is a zero of the
polynomial x² - 2 root2x+2.​

Answer 1

p(x) = x^2- 2 √2 +2

p(2) = 2^2 -2√2 +2

= 4 - 2√2 +2

= 6-2√2

Answer 2

Step-by-step explanation:

so hence

$\sqrt{2}$

is zero of polynomial