Question

expand the following : (a2−2b​)2​

Answer 1

Answer:

(a⁴+4b²)(a⁴-4b²)

Step-by-step explanation:

$\huge\red{so}\pink{l}\blue{ u}\green{tio}\orange{n}$

=> (a²-2b)²

=> (a²-2b)²

=> (a²)²-(2b)²

Using Identity, a²-b²= (a+b)(a-b)

=> a⁴-4b²

=> (a⁴+4b²)(a⁴-4b²)