Question

please see that photo and answer it
any one answer also no problem​

Answer 1

Answer:

enlarge the photo mark me as brainliest

Answer 2

Answer:

1) (√2 )²-(1)²

2-1

1

2)(1-(√3)²)/(1+(√3)²)

(1-3)/(1+3)

-2/4

-1/2