Mister Exam

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Sum of series:
sqrt((n+4)/((n^4)+4))
(7^n-3^n)/21^n
sin(pi/2^(n-1))
sin(n*x)/n^2
Identical expressions
eleven * nine thousand
11 multiply by 9000
eleven multiply by nine thousand
119000

Sum of series/ 11*9000

Sum of series 11*9000

The solution

You have entered [src]

$$\sum_{n=1}^{7} 99000$$

Sum(99000, (n, 1, 7))

The rate of convergence of the power series

The answer [src]

$$693000$$

Numerical answer [src]

693000.000000000000000000000000

693000.000000000000000000000000

The graph

Sum of series 11*9000

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
```