Grade 11Algebra
Solve the following question with step by step solution
1 Answer
Arun
Find nth term
Tn = 1/(5n-4)(5n +1)
= 1/5(5n-4) - 1/5(5n+1)
= 1/5 [1/(5n-4) - 1/(5n+1)]
Now
Put value n = 1 ,2 ,3......n
And then add
Only two terms will remain
Sn = 1/5 [1 - 1/(5n +1)]
Regards
Arun (askIITians forum expert)
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