SSC CGL – Combined Graduate Level Examination · Question 72
Given b = √7, what is (b + 2)² + (b − 2)²?
Show answer & explanation
Answer: (C) 22
Explanation
2(b² + 4) = 2 × 11 = 22.
SSC CGL – Combined Graduate Level Examination · Question 72
Answer: (C) 22
2(b² + 4) = 2 × 11 = 22.