synkk
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The blue bit, I understand how they got the 3, but shouldn't it be [tex]3n^2(2n+1)^2[/tex]
?
exercise E 2c
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Why Isn't It 3n^2(2n+1)^2 in the Algebra Problem?
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The blue bit, I understand how they got the 3, but shouldn't it be [tex]3n^2(2n+1)^2[/tex]
?
exercise E 2c
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Villyer
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Assuming the middle statement to be correct, I would think that you are right here.
Edit: sacsale is right, it's correct as is.
Edit: sacsale is right, it's correct as is.
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sacscale
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It was factored out, note the brackets.