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0
votes
4answers
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Evaluating a summation
I am trying to solve a homework question in which a part involves the evaluation of a summation.
The summation is:
$$
\sum_{i=0}^n2^{2i+1}
$$
and this is my attempt which i am stuck at. Any lead ...
3
votes
0answers
108 views
Perturbation problem
This is a mathematica exercise that I have to do, where $y(x) = x - \epsilon \sin(2y)$ and it wants me to express the solution $y$ of the equation as a power series in $ \epsilon$.