Mister Exam

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Sum of series:
log((-1)^n/3^n)
(n+2/2n)^n2
15
cos(x+y)
Integral of d{x}:
15
Derivative of:
15
Limit of the function:
15
Identical expressions
fifteen
15
Similar expressions
sinn/((2n+1)(5/2)^n)
3^(n+3)/(4^(n-1)*5^n)
(n-1)*5

Sum of series/ 15

Sum of series 15

The solution

You have entered [src]

$$\sum_{t=2}^{62} 15$$

Sum(15, (t, 2, 62))

The rate of convergence of the power series

The answer [src]

$$915$$

Numerical answer [src]

915.000000000000000000000000000

915.000000000000000000000000000

The graph

Sum of series 15

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
```