Posted by Naun on Tuesday, May 22, 2012 at 12:18pm.
What is the smallest positive integer n so that 3n squared is a multiple of 4

Math  Anonymous, Tuesday, May 22, 2012 at 12:52pm
n=2
(3*2)^2=6^2=36
36=9*4

Math  Reiny, Tuesday, May 22, 2012 at 12:52pm
if n is even then n^2 is divisible by 4
so we need the smallest even integer which is 2
check 3n^2 = 3(2^2) = 12 , which is a multiple of 4
(I read your expression as 3 n^2
if you mean (3n)^2, then the answer is still the same )
the smallest integer n is 2
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