state which of the following expansion is a perfect square:
( show full solving method)
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4m^2+4m+1
(2m)^2 + 2m +2m+ 1
2m(2m+1) +2m+1
*(2m+1)(2m+1)
(2m +1)^2
Just a perfect square...
(2m)^2 + 2m +2m+ 1
2m(2m+1) +2m+1
*(2m+1)(2m+1)
(2m +1)^2
Just a perfect square...
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