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shubhamsrg
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infinite summation :
1 + (1+2)/2! + (1+2+3)/3! ........
 2 years ago
 2 years ago
shubhamsrg Group Title
infinite summation : 1 + (1+2)/2! + (1+2+3)/3! ........
 2 years ago
 2 years ago

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shubhamsrg Group TitleBest ResponseYou've already chosen the best response.0
or in other words 1/2 * summation ( n(n+1)/n! ) from n=1 or 0 ,,to infinity..
 2 years ago

estudier Group TitleBest ResponseYou've already chosen the best response.0
Something * e
 2 years ago

mukushla Group TitleBest ResponseYou've already chosen the best response.2
\[e^x=\sum_{n=0}^{\infty} \frac{x^n}{n!}\]take derivative\[e^x=\sum_{n=1}^{\infty} \frac{nx^{n1}}{n!}\]multiply by x^2\[x^2e^x=\sum_{n=1}^{\infty} \frac{nx^{n+1}}{n!}\]and ...
 2 years ago

shubhamsrg Group TitleBest ResponseYou've already chosen the best response.0
another derivative and then put x=1 !! thanks a lot!!
 2 years ago
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