If a and b are two odd positive integers, by which of the following integers is (a4 b4) always divisible ?

If a and b are two odd positive integers, by which of the following in

1.	If a and b are two odd positive integers, by which of the following integers is (a⁴ b⁴) always divisible ?
A.	3
B.	6
C.	8
D.	12
Answer» D. 12

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If a and b are two odd positive integers, by which of the following integers is (a4 b4) always divisible ?

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If a and b are two odd positive integers, by which of the following integers is (a⁴ b⁴) always divisible ?