Mister Exam

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Sum of series:
(n+1)^2/2^(n-1)
(-1)^n/n
(5/6)^n
28
Limit of the function:
9/2
Identical expressions
nine / two
9 divide by 2
nine divide by two
Similar expressions
49/(2n+1)(2n)

Sum of series/ 9/2

Sum of series 9/2

The solution

You have entered [src]

$$\sum_{n=2}^{2} \frac{9}{2}$$

Sum(9/2, (n, 2, 2))

The rate of convergence of the power series

The answer [src]

9/2

$$\frac{9}{2}$$

9/2

Numerical answer [src]

4.50000000000000000000000000000

4.50000000000000000000000000000

The graph

Sum of series 9/2

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
```