Question

Find the roots of the following quadratic equations (if they exist) by the method of completing
the square.
x^2-4√2x+6
​

Answer 1

Answer:

Step-by-step explanation:

Discriminant = b² - 4ac

= (4√2)² - 4(6)(1) = 32-24=8

roots = (-b±√b² - 4ac)/2a

roots = (-(-4√2)±√8)/2(1)

= (4√2±2√2)/2

=(6√2)/2 or 2√2/2

=3√2 or √2