Question

F. Find the roots of the equation using formula method.
1/ 2X² - x√11 +1=0​

Answer 1

Answer:

Let the roots be a & b

a+b= -2✓11

ab= 1/2

(a-b)^2 = (a+b)^2-4ab

= (-2✓11)^2 -4*1/2

= 44 -2

=42

Answer 2

Answer:

$x = - \sqrt{11} + 3 \\ y = - \sqrt{11} - 3$