If a and b are distinct integers, prove that a – b is a fact – InterviewSolution

1.	If a and b are distinct integers, prove that a – b is a factor of a n – b n , whenever n is a positive integer. [ Hint: write a n = ( a – b + b ) n and expand]
Answer» If a and b are distinct integers, prove that a – b is a factor of a n – b n , whenever n is a positive integer. [ Hint: write a n = ( a – b + b ) n and expand]

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