tolong bantu jwaban soal mtk saya ya trima kasih

1.) 2× (1/2 √3)^2 - 1 = 2× 1/4×3 - 1 = 3/2 - 1 = 1/2

2.) 1 - (1/2)^2 = 1 - 1/4 = 3/4

3.) 2× 1/2 - 1^2 = 1-1 = 0

4.) 1^2 + 1/2 = 1 + 1/2 = 3/2

5.) 2× 1/2 - 1^2 = 1 - 1 = 0

semoga membantu...
maaf kalau salah ^.^

no 1. 1/2
no 2. 3/4
no 3. 0
no 4. 3/2
no 5 2/3

maaf kalau slah