How would you write out 'x is not equal to 2 and x is not equal to 7' Algebraically and in Interval Notation?
1 answer:
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Via prime factorization:
of which the only common factor is a single power of 2, so
.
Via the Euclidean algorithm:
which means, as expected.
of which the only common factor is a single power of 2, so
Via the Euclidean algorithm:
which means