15 Answered Questions for the topic Summations

04/29/16

An employee earns $47000 his first year. He receives a 4% increase over each previous year. What is the sum for his first 5 years of service ? Formula used?
summation
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09/23/15

Find a closed form for these summations?
Find a closed form for these summations?     n=100a) ∑ 1/2     i=1      n=5b) ∑ 1/3     i=1
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09/23/15

Find a closed form for these summations?
Find a closed form for these summations?     n=10000    ∑ i    i=1
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09/22/15

Finding a closed form for these summations?
Find a closed form for these summations?       n=10000 a) ∑ i     i=1        n=100b) ∑ i2    i=1    
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09/22/15

Finding a closed form for these summations?
Find a closed form for these summations?     n=100 a) ∑ 1/2    i=1           n=5b)  ∑ 1/3     i=1
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08/15/15

Express the series below in summation notation for the specific number of terms
A.) 0+1+2+3+4+5+6+7+8+9   b.) 4+8+12+16+20   c.) 6+11+16+21+26+31+36   d.) 0+3+8+15+24+35+48+63+80   e.) sum of a& e
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06/05/15

Summation Notation
1+3+9+27+81+243   Write the sum with the Sigma Notation
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01/03/15

How do you calculate a sum from k=0 to 2n-1 ?
Can you bring it to a a from k=1 to n ?
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10/01/14

x+y + xy+x^2+y^2 + x^3+x^2y+xy^2+y^3 + ... n terms
the sum of n terms of the above series is?
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11/03/13

Find the radius and interval of convergence
Find the radius and interval of convergence of ∑ 0,∞  nnxn/n!
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11/03/13

Find the radius and interval of convergence
Find the radius and interval of convergence of ∑ 0,∞  (n/3^(2n-1))(x-1)^(2n)
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12/06/12

Summation Convergency tests by 3-condition test
For each of the following series, tell whether or not you can apply the 3-condition test (i.e. the alternating series test). If you can apply this test, enter D if the series diverges, or C if the... more
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12/06/12

Summation of a?n from n=1 to infinity=1-1/10+1/100-1/1000.......
For the following alternating series, Σ an = 1-1/10+1/100-1/1000+1/10000 ....... ^(from n=1 to infinity) how many terms do you have to go for your approximation (your partial sum) to be within... more
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12/06/12

summation of ((8^n)(x^n)(n+1))/(n+2) from n=1 to infinity
Find all the values of x such that the given series would converge. The Above Equation The series is convergentfrom = ? , left end included (enter Y or N): ?to = ? , right end included (enter Y... more
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12/06/12

how can you simplify (n^10)/((n+1)^10)?
This is coming from the original question of : Find all the values of x such that the given series would converge. summation of ((11x)^n)/(n^10) from n=1 to infinity The series is convergentfrom... more
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