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Questions (158)
Which of the following series diverges?
a) 5 + 10 + 15 + 20 +... b) 45 + 15 + 5 + 5/3 + ... c) 3/4 + 3/16 + 3/64 +.. d) 1/2 + 1/4
1 answer
asked by
Ellie
391 views
find the sum of all the terms of
1/5 + 2/25 + 3/125 + 4/225 + .....
7 answers
asked by
Tammy
22 views
use the root test to to determine the convergence or divergence of the series 100n/e^n
3 answers
asked by
brian
777 views
-2.02 - 2.11 - 2.2 - ... -4
Find the sum of the series
1 answer
asked by
Samantha
392 views
We use the integers , , and to create the following series:
You are given queries in the form of , , and . For each query, print
3 answers
asked anonymously
35 views
Determine whether the finite series is arithmetic, geometric, both, or neither. If the series is arithmetic or
3 answers
asked anonymously
53 views
Suppose a_n∈ [0,1] and X_n is a sequence of i.i.d random variables with p.d.f : p(X_n=1)= p(X_n= -1)=0.5 . ∑_(n=1)^∞▒a_n
1 answer
asked by
sanaz
887 views
find the sum to infinity of the following series
rn (1+1/n) -(1 - 1/1+n) - n square / (n+1)square + ...........
1 answer
asked by
angel
309 views
The following function has a series of the form the sum from n=0 to infinity of c(subn)x^n. Calculate the coefficients c(subn)
3 answers
asked by
Heather
1,073 views
The sum of the first n terms of a series in n^3. Write down the first four terms and the nth term of the series.
1 answer
asked by
Chrissey
420 views
Find the sum of the following convergent series:
(a) Ei=1 1 / (3i - 2)(3i + 1) I know that it equals: = 1/4 + 1/28 + 1/70 + 1/130
3 answers
asked by
Paul
484 views
Is their a formula for finding the Sum for Geometric Series?
3 answers
asked by
Embraced
984 views
Find S11 for 1 + 2 + 4 + 8 +
I got 2047 Other choices are 1023 B. -1023 C. -2047
1 answer
asked by
Nessa
318 views
1.1+2.2+3.3+4.4+5.5.............+100.100=?
5 answers
asked by
grandhi
272 views
How long will it take the farmer to sell all his chickens?
Farmer has 2100 chickens. He sells 10 chickens at the end of the first
2 answers
asked by
Shadow of me
1,114 views
a. what is the general term of the following series?
60/121-30/11+15-... +219 615/16 b. how many terms does the series have?
4 answers
asked by
Anonymous
355 views
Find the indicated partial sum of the series.
infinity E 3(1/2)^i i=1 third partial sum
1 answer
asked by
bbbb
402 views
Find the sum of the infinite geometric series given by ∑_(k=1)^∞▒〖(2/9)^k.〗
1 answer
asked by
Jessica
363 views
8+2+1/2+...(find the first 11 terms)
1 answer
asked by
sheri
254 views
write the series with summation notation:-1,-7,-13,-19
2 answers
asked by
Breanna
479 views
Given the expression Sn = n^2 + 2n for the sume of the first n terms of a series, determine
a) An expression, in simplified form,
1 answer
asked by
CL
649 views
Find three geometric means betwee -sqrt(2) and -4sqrt(2).
A: 2, -2sqrt(2), 4 Is 6 sqrt(2)+ 6 + 3sqrt(2)+... a convergent series?
2 answers
asked by
Jeremy
1,038 views
Determine whether the geometric series converges or diverges.
27 + 18 + 12 + 8 + . . .
2 answers
asked by
jaz
492 views
please help with finding the equations to these where n= 1; which means 1 is needed to find the first number in the series
1) 5/1
1 answer
asked by
Janet
287 views
I need to know the equations of these were n = 1
1) 1/2 - 1/4 + 1/8 - 1/16 + . . . 2) 1 + 2 + (2^2)/2 + (2^3)/6 + (2^4)/24 +
4 answers
asked by
Janet
271 views
how do you convert a series into that beta stuff
1 answer
asked by
Janet
245 views
Why is the limit of the sum n=1 to infinity of ln(2(n+1))–ln(2n) divergent? I thought it would be -ln2 because all the
2 answers
asked by
Shaniquaa
829 views
Which of the following series is divergent?
a) 1+3(1/4)+9(1/4)^2+27(1/4)^3... b) 1+3(1/5)+9(1/5)^2+27(1/5)^3... c)
2 answers
asked by
Lucy
1,128 views
++++++++|||||||||Can you please check whether or not my answers are correct and if not, can you fix them for me?
Find the sum and
1 answer
asked by
Anonymous
361 views
is this series convergent
the series from n=0 to infinity of (n^2+1)/(n^3+1) i said it converged at n=1
1 answer
asked by
matt
365 views
Which of the following series are geometric series? Find the sum if they are
1. Infinity (Summation sign) n = 1 1/6n^2 2.
1 answer
asked by
kile
448 views
A question of faulty parallelism
1)) Activities on Wednesday afternoons include fishing trips, dance lessons, and computers. 2))
1 answer
asked by
Niraj
910 views
hi here is my question: what is the general term of the following series?
60/121,-30/11,15, 165/2...... my answer I am debating
1 answer
asked by
hanna!
561 views
how would I express the repeating decimal representaion of 1/9 as an infinite series using sigma notaion?
Limit of (as n->
1 answer
asked by
math!
406 views
Find the sum of the following series
15 ∑(3n-7) n=1 I got 9 355 and 255 ∑
3 answers
asked by
Khalil Beard
1,048 views
1*2 +2*(2^2)+2*(2^3)............+100*(2^100)
Find the sum of series.
4 answers
asked by
Anonymous
1,025 views
The next number in the series 3, 4, 6, 7, 9, 10 is
4 answers
asked by
Louise
954 views
Find the sum.
1 − 1/2+1/4-1/8+....-1/512
2 answers
asked by
fabian
855 views
Approximate the sum of the series correct to four decimal places.
n=1 to infinity (-1)^n/4^n*n!
3 answers
asked by
Sarah
844 views
Use the ratio test to determine whether the series is convergent or divergent.
1/2 + 2^2/2^2 + 3^2/2^3 + 4^2/2^4 + ...
2 answers
asked by
Joe
828 views
Find the sum of the convergent series.
Sigma (lower n = 0; upper infinity) 8*(4/5)^n
1 answer
asked by
Jenny
803 views
Consider an infinite series of the form
(+-)3(+-)1(+-)1/3(+-)1/9(+-)1/27(+-)....(+-)1/3^n(+-)... The number 3,1, etc. are given
1 answer
asked by
oci
802 views
Express the infinite series below using sigma notation and then find the sum.
64 + 40 + 25 + 15.625... Any explanation would be
1 answer
asked by
Bob
1,077 views
I just need help with this.
Write the series in sigma notation. 1/4 + 1/2+ 3/4 + 1 + 5/4 + 3/2 5 A.) 1/4 sigma N n=1 6 B.) 1/4
2 answers
asked by
Anonymous
796 views
use the integral test to determine whether the series is convergent or divergent
∑ n=9 1/n(ln n)^3
1 answer
asked by
sofi
753 views
Which of the following statements is/are true about the series the summation from n=0 to infinity of (3/2)^n?
I. It diverges. II.
3 answers
asked by
Alice
741 views
I'm so lost with this problem! Please help!!
1/5+1/10+1/20+1/40+... A- It diverges; it has a sum B- It diverges; it does not have
7 answers
asked by
Nayla
752 views
true of false
if the sum of asubn from n=1 to infinity converges, and if a is not equal to 0, the the sum of 1/(a sub n) as n
2 answers
asked by
sarah
765 views
evaluate the series ,
6 ‡” (2k+2) k=1
1 answer
asked by
willa
695 views
Which Quagmire Triplet in a series of unfortunate events died?
4 answers
asked anonymously
22 views
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Algebra
Arithmetic
Calculations
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