3n | ||
∑n=1∞ | ||
n*n! |
3n | ||
∑n=1∞ | xn | |
n*n! |
3nxn | ||
∑n=1∞ | =e3x−1 | |
n! |
3nxn−1 | e3x | 1 | ||||
∑n=1∞ | = | − | ||||
n! | x | x |
3nxn | e3x | |||
∑n=1∞ | =3∫ | −ln|x| | ||
n*n! | 3x |
3nxn | ||
∑n=1∞ | =Ei(3x)−ln|x|+C | |
n*n! |
3nxn | ||
∑n=1∞ | =Ei(3)+C | |
n*n! |
5^2 | 52 |
2^{10} | 210 |
a_2 | a2 |
a_{25} | a25 |
p{2} | √2 |
p{81} | √81 |
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