Teaching REET Mock Test Series 2024-25 Level 1 & 2 (Hindi-Sanskrit-English) Quantitative Aptitude Number System LCM and HCF
What is the greatest common divisor of these two expressions P and Q where P = xy(k2 + 1) + k(x2 + y2) and Q = xy(k2 - 1) + k(x2 - y2)?
1
(kx + y)
2
(kx - y)
3
(ky + x)
4
(ky - x)
5
Question Not Attempted