Question

(√2-1)² please it is urgent...​

Answer 1

Answer:1-2root2

( sorry dont have root sign)

Step-by-step explanation:( root2 -1)^2

=(root2)^2- (1)^2 - 2root 2 [ using identity (a-b)^2]

=1- 2root2

Answer 2

Answer:3+2√2

Step-by-step explanation:(√2-1)^2

(√2)^2+(-1)^2-2*(√2)(-1)

2+1+2√2

3+2√2

If the answer works so please mark me as a brainelist.