Question

please solve the answers ​

Answer 1

Answer:

by using (a+b)²...........

Answer 2

Answer:

a⁴+2a²b²+b⁴

= (a²+b²) ² - 2a²b² + a²b²

= (a²+b²) ² - a²b²

= (a²+b²) ² - (ab) ²

now it is in the form of a²-b² = (a+b) (a-b)

(a²+b²+ab) (a²+b²-ab)

hope it's help t