Mister Exam

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Sum of series:
x^n/(1+x^n)
(-1)^n*(2*2)^(2*n)/factorial(2*n)
1/n(n^2-1)
(2*x+3*k)/(2*x-k^2)
Derivative of:
2^3
Expression:
2^3
Identical expressions
two ^ three
2 cubed
two to the power of three
23
2³
2 to the power of 3

Sum of series/ 2^3

Sum of series 2^3

The solution

You have entered [src]

  2    
 __    
 \ `   
  )   8
 /_,   
i = 1

$$\sum_{i=1}^{2} 8$$

Sum(8, (i, 1, 2))

The rate of convergence of the power series

The answer [src]

$$16$$

Numerical answer [src]

16.0000000000000000000000000000

16.0000000000000000000000000000

The graph

Sum of series 2^3

Examples of finding the sum of a series

The Sum of the Power Series
```
x^n/n
```
```
(x-1)^n
```
Factorial
```
1/2^(n!)
```
```
n^2/n!
```
```
x^n/n!
```
```
k!/(n!*(n+k)!)
```
Flint Hills Series
```
csc(n)^2/n^3
```
Basel problem
```
1/n^2
```
```
1/n^4
```
```
1/n^6
```
Harmonic series
```
1/n
```
Grandi's series
```
(-1)^n
```
Alternating series
```
(-1)^(n + 1)/n
```
```
(n + 2)*(-1)^(n - 1)
```
```
(3*n - 1)/(-5)^n
```
```
(-1)^(n - 1)*n/(6*n - 5)
```
Newton–Mercator series
```
(-1)^(n + 1)/n*x^n
```
Exam the series for convergence
```
(3*n - 1)/(-5)^n
```