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Can someone check this mathematical induction problem? Question and work below
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1^`2 + 4^2 + 7^2 + ... + (3n - 2)^2 = \(\dfrac{n(6n^2-3n-1)}2\)
1^2 = \(\dfrac{1(6(1)^2 - 3(1)-1)}2\)
\(1^2 = \dfrac{1(36-3-1)}2\)
\(1^2 = \dfrac{36}2\)
\(1 \ne 16\)
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mistake: trird post: 1*(6*(1)^2-3*(1)-1)=1*(6*1-6-1)
you got as 6*(1)^2=36 but that not true
oh whoops, thanks for catching that :)
np
So really it would be 2/2 = 1 which is true
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yes that correct and true
Thank you ^_^
np
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