Grade 8Algebra
prove that for any positive interger n, 23^n is divisible by 3n+1.
prove that for any positive interger n, 23^n is divisible by 3n+1.
1 Answer
Aditya Gupta
the ques is wrong because 23^n is an even number which can NEVER be divisible by 3n+1.
as an example, put n=2.
then 2^9 is obviously not divisible by 27.
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