a b c d are non-zero integers such that (ab) divides (cd). If a and c are coprime then which one of the following is correct?
A. a is factor of c
B. a is factor of b
C. a is factor of d
D. d is factor of a
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Answer:
Right Answer is: C i.e. HCF of a and c is 1, therefore we can say that a definitely divides d exactly.
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