(√11 + 2) × (√11 - 2) = ?
Show answer & explanation
Correct answer: A
Explanation
Given:
(√11 + 2)(√11 − 2)
Using the formula:
(a + b)(a − b) = a² − b²
= (√11)² − (2)²
= 11 − 4
= 7
SSC CHSL 2025 PYQ — Question 72
SSC CHSL - 28 Nov 2025 - Shift 2 • Quantitative Aptitude • Q72