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01-09-2021
Mathematics

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6) If a and b are natural numbers, then which of the following must also be a natural number?

6 If a and b are natural numbers then which of the following must also be a natural number class=

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colinspurdle colinspurdle

01-09-2021

a - b is NOT always natural. Eg 4 - 7 = -3 therefore not in the natural number set.

ab is always natural

a/b is NOT always natural. Eg 4/7

So the answer to the question is (b) only II must be a natural number answer.

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