Q. The value of (√7 − √5)(√7 + √5) is:
✅ Correct Answer: (A)
2
Explanation: Using (a−b)(a+b)=a²−b², we get 7−5=2.
Explanation by: Mr. Dubey
Using (a−b)(a+b)=a²−b², we get 7−5=2.