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Magoosh
Which of the following could be true of at least some of the terms of the sequence defined by $$b_n=(2n-1)(2n+3)$$
I. divisible by 15
II. divisible by 18
III. divisible by 27
A. I only
B. II only
C. I and II only
D. I and III only
E. I, II, III
OA D.
Which of the following could be true of at least some of the terms of the sequence defined by $$b_n=(2n-1)(2n+3)$$
I. divisible by 15
II. divisible by 18
III. divisible by 27
A. I only
B. II only
C. I and II only
D. I and III only
E. I, II, III
OA D.
