Simplify.
(5 + 2√6)(5 - 2√6)
Show answer & explanation
Correct answer: B
Explanation
Given:
(5 + 2√6)(5 − 2√6)
By the formula:
(a + b)(a − b) = a² − b²
(5 + 2√6)(5 − 2√6)
= 5² − (2√6)²
= 25 − 4×6
= 25 − 24
= 1
SSC CHSL 2025 PYQ — Question 70
SSC CHSL - 15 Nov 2025 - Shift 2 • Quantitative Aptitude • Q70