Grade 11General Physics
How to solve this........................explain...................
How to solve this........................explain...................
1 Answer
Arun
Approved Tutor Answer7 Years agoTn = 2n +1 /1²+ 2²+....n² = (2n+1)/n(n+1)(2n+1)/6
Tn = 6 /n (n+1)
Now solve this
Tn = 6[1/n - 1/n+1]
Hope it helps
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