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If for integers a, b and c, if HCF (a, b...

If for integers a, b and c, if HCF (a, b) = 1 and HCF (a, c) = 1, then which one of the following is correct?

A

`HCF(a,bc)=1`

B

`HCF(a,bc)=a`

C

`HCF(a,bc)=b`

D

None of the above

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