2017 · Q42
The HCF of two expressions p and q is 1. What is the reciprocal of their LCM ?
Elementary MathematicsHCF and LCM
- Ap + q
- Bp - q
- Cpq
- D(pq)⁻¹
Explanation
HCF = 1 implies LCM(p,q) = pq; its reciprocal is 1/(pq) = (pq)⁻¹: option D. Option C (pq) forgets the reciprocal.