SarkariPYQ

SSC CHSL 2025 PYQ — Question 58

SSC CHSL - 29 Nov 2025 - Shift 1 • Quantitative Aptitude • Q58

Back to paper

Find the value of:(√5 + 2)² - (√5 - 2)²

Show answer & explanation

Correct answer: B

Explanation

Given:

(√5 + 2)² − (√5 − 2)²

Using the formula:

(a + b)² − (a − b)² = 4ab

Here, a = √5, b = 2

4ab = 4 × √5 × 2

= 8√5