Need help on the proof of
The series of the squares of the first n natural numbers , ie
I know this identity is needed to complete the proof :
From here onwards , i am not sure what to do ..
Not sure how to proof this as well :
Need help on the proof of
The series of the squares of the first n natural numbers , ie
I know this identity is needed to complete the proof :
From here onwards , i am not sure what to do ..
Not sure how to proof this as well :