2017_III_1_Pure


Screenshot 2020-05-30 at 20.20.04

Is anyone in a position to help me with the next bit of part ii? Have been stuck for a while

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I gotchu.


If n\ \geq 3 because otherwise we’ll have 0's and negatives.

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Haha! Thank you - This bit specifically solved my issue!!image

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No problem!
Now I’m trying the final result which I believe should be solvable with your previous results (but shifting the indices).

Awesome. Yes I’m going to see if I can get the next bit now as well

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(click for spoilers)(Lower Bound)

(Upper Bound)

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Honestly this is perfect. Exactly the reason I built this website

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Here is my attempt. Thank you for hiding with spoilers as well :grin:

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:boom: :boom: :boom: :boom: :boom: :boom: Credit all round

That looks wonderful @InstaMath!
And thank you for solving the first parts! (they help a lot at the end)

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