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vampirchik [111]
3 years ago
5

Consider the following statement: The square of a prime number is not prime. (a) Write this as an if-then statement, using caref

ul mathematical language and notation. (b) Prove or disprove the statement.
Mathematics
1 answer:
Hitman42 [59]3 years ago
7 0

The square of a prime number is not prime.

a) let x ∈ R, If x  ∈ {prime numbers}, then x^{2}∉{prime numbers}

there says that if x is a real and x is in the set of the prime numbers, then the square of x isn't in the set of prime numbers.

b) Prove or disprove the statement.

ok, if x is a prime number, then x only can be divided by himself. Now is easy to see that x^{2} = x*x can be divided by himself and x, then x*x is not a prime number, because can be divided by another number different than himself

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