MATHEMATICS · Single correct · CBSE · Mathematics · Real Numbers · Real Numbers
Problem
For any two non-zero positive integers a and b, which of the following relations is always true?
(a) LCM(a,b)=ab
(b) HCF(a,b)×LCM(a,b)=ab
(c) HCF(a,b)+LCM(a,b)=a+b
(d) HCF(a,b)−LCM(a,b)=a−b