The common factor of 24a³b⁴, 36a⁴c⁴ and 48a³b²c is:

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A 12a³
B 24a³
C 36a³
D 48a³

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Answer: A. 12a³

HCF of 24, 36 and 48 is 12. The lowest power of a common to all three is a³; b and c are not in all terms. So the common factor is 12a³.

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The common factor of 24a³b⁴, 36a⁴c⁴ and 48a³b²c is:

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