Mister Exam

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Sum of series:
cos(2*n)/2^n
factorial(n)/(n^3+n^2+4)
xx
1/nln(n)(ln(ln(n)))^p
Integral of d{x}:
49
Derivative of:
49
Identical expressions
forty-nine
49
forty minus nine
Similar expressions
(4*9^n-2^n)/18^n
(x+7)^n/(n+3)^4*9n

Sum of series/ 49

Sum of series 49

The solution

You have entered [src]

$$\sum_{n=3}^{3} 49$$

Sum(49, (n, 3, 3))

The rate of convergence of the power series

The answer [src]

$$49$$

Numerical answer [src]

49.0000000000000000000000000000

49.0000000000000000000000000000

The graph

Sum of series 49

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
```