Can someone help? This is precalculous and I don't understand how to prove this mathematical induction
1^2 + 4^2 + 7^2 + ... + (3n - 2)^2 = n(6n^2 – 3n – 1)/2

Question

Can someone help? This is precalculous and I don't understand how to prove this mathematical induction
1^2 + 4^2 + 7^2 + ... + (3n - 2)^2 = n(6n^2 – 3n – 1)/2

anonymous · Answer

Working on it right now will get back to you in a few

anonymous · Answer

omg thank you so much, I'm having a huge problem understanding how to go from k to k + 1 and then k + n @jtstrumpf

anonymous · Answer

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anonymous · Answer

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anonymous · Answer

The reason I was able to make those wacky rearrangements in part two was because I worked the problem backwards on scratch paper. Usually for an induction proof it isn't necessary to show how you figured it out. It is just enough to prove it works.

anonymous · Answer

oh sorry for terrible photo orientation!

anonymous · Answer

OMG you are a life saver! At last I understand how it bloody works!

anonymous · Answer

and no problem man, it's enough that you took the time to help

anonymous · Answer

It took me forever to really get it. It is kinda like dominos. You show one of them, you show that if one is good their neighbor is good, and boom its done. Good luck with your studies!

Oh yeah I'm using answering questions here as a way to procrastinate but still feel like I am being useful, cheers!