Discuss Forum
1. If a2 - b2 = 20, a+b = 5, what is the value of a - b ?
- A. 3
- B. 3
- C. 3
- D. 3
Answer: Option D
Explanation:
Post your comments here:
1. If a2 - b2 = 20, a+b = 5, what is the value of a - b ?
Answer: Option D
Explanation:
Post your comments here: