define-n-n-1-n-2-find-a-closer-form-for-n-1-1-n-m-

Question Number 92976 by frc2crc last updated on 10/May/20

d e f i n e

Δ_{n} = \frac{n (1 + n)}{2}

f i n d a c l o s e r f o r m f o r

\underset{n = 1}{\sum^{\infty}} \frac{1}{Δ_{n}^{m}}

Answered by john santu last updated on 10/May/20

what Δ_{n}^{m} ?

Commented by frc2crc last updated on 10/May/20

Δ_{n} = \frac{n^{2} + n}{2} ⇛ Δ_{n}^{m} = \frac{{(n^{2} + n)}^{m}}{2^{m}}

Commented by frc2crc last updated on 10/May/20

i u s e d t h i s d e f i n i t i o n

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