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If a and b are prime numbers, such that a > b, which of the following cannot be ...
Question 3
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If a and b are prime numbers, such that a > b, which of the following cannot be true?
A.a+b is prime.
B.ab is odd.
C.a(a-b) is odd.
D.a-b is prime.
E.
fff\(a^b\)/fff
is even.
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