If \( X=28+(1 \times 2 \times 3 \times 4 \times \cdots \times 16 \times 28) \) and \( Y \)
W. \(... VIDEO
If \( X=28+(1 \times 2 \times 3 \times 4 \times \cdots \times 16 \times 28) \) and \( Y \)
W. \( =17+(1 \times 2 \times 3 \times \cdots \times 17) \), then which of the following is/are true?
(A) \( X \) is a composite number
(B) \( Y \) is a prime number
(C) \( X-Y \) is a prime number
(D) \( X+Y \) is a composite number
(a) Both (A) and (D)
(b) Both (B) and (C)
(c) Both (B) and (D)
(d) Both (A) and (B)
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