Question

If am= an, where a is a real number, while m and n are integers,
then which of the following must be true?
(1) M = N
(2) If M ≠ N, A = 0 or A = 1
(3) M ≠ N
(4) A = MN
(5) None of these

Answer 1

since am = an
am/a=an/a
therefore m=n
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