Expand (Ö3 - Ö2)2.
The above problem in the form of (a - b)2 = a2 - 2ab + b2.
Here a = Ö3 and b = Ö2, substitute these values in the above formula, we get,
(Ö3 - Ö2)2 = (Ö3)2 - 2 Ö3 * Ö2 + (Ö2)2
= 3 - 2Ö6 + 2
= 5 - 2Ö6.
Directions: Solve the following problems. Also write at least ten examples of your own.