- $$\frac{1}{2}$$
- 1
- $$\frac{1}{{\sqrt 2 }}$$
- $$\sqrt 2 $$
Answer: Option 2 Let'
1 Answers 1 viewsAnswer: Option 2 Let'
1 Answers 1 viewsAnswer: Option 2
1 Answers 1 viewsAnswer: Option 3
1 Answers 1 viewsAnswer: Option 1 Let'
1 Answers 1 viewsAnswer: Option 1 Let'
1 Answers 1 viewsAnswer: Option 1 Let'
1 Answers 1 views