Question

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Use Euclid's division lemma to show that the square of any positive integer is either of
the form 3m or 3m + 1 for some integer m.
[Hint: Let x be any positive integer then it is of the form 3q, 3q + 1 or 39+2. Now square
each of these and show that they can be rewritten in the form 3m or 3m + 1.]
mma to show that the cube of any positive integer is of the form​

Answer 1

Answer:

Electricity is not able to conduct efficiently through covalent compounds because there are no ions to move the electrical charge