Question

IF A = 5-2 √5. Than find
A²​

Answer 1

Answer:

The answer of this question is 45-20 root 5

hope this will help you out

Answer 2

Answer:

-21.83

Step-by-step explanation:

a=5-2 root5       squaring both side

a^2=(5-2 root 5)^2

a^2 = -21.83