2013 · Q24
For integers a, b and c, if HCF(a,b)=1 and HCF(a,c)=1, then which one of the following is correct?
Elementary MathematicsNumber System
- AHCF(a,bc)=1
- BHCF(a,bc)=a
- CHCF(a,bc)=b
- DNone of the above
Explanation
Coprime to each → coprime to product. Answer A.