Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test 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
More than one of the above
5
None of the above