Teaching Rajasthan 3rd Grade REET Mains (Level I & II) Mock Test Quantitative Aptitude Number System LCM and HCF
The L.C.M. of x2- y2, x3 - y3 and x3 - x2y - xy2 + y3 is
1
(x + y)(x - y)(x2 + y2 + xy)
2
(x + y)(x - y)2(x2 + y2 + xy)
3
(x + y)(x - y)2(x2 + y2 - xy)
4
(x + y)2(x - y)2