The Total solution for NCERT class 6-12
23 + 43 + 63 + 83 +………
Let Tn bethe nth term of the given series.We have:
Tn =(2n)3
= 8n3
Now, let Sn bethe sum of n terms of the given series.We have:
∴ The sum of the seriesis 2{n (n + 1)}2