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Series and Sequences
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Questions (174)
What is the value of *sigma sum sign* n=0 to 40 (i^n*cos (45 + 90n)°?
1 answer
asked by
i
79 views
Further maths find the first five term of the(7,p)2,6,18
1 answer
asked by
Anonymous
238 views
In a series when using limit comparison test how to you know if the series converges and when does diverges
1 answer
asked by
Becca
310 views
Trying to review for the exam. Can someone please help me with this series questions. Thank you
Use geometric series test to
3 answers
asked by
Becca
275 views
True or False
f ∑an diverges, then necessarily lim an ≠ 0
1 answer
asked by
Dom
163 views
1^3+3^3+5^3+.....to n terms.
1 answer
asked by
jeet
340 views
find the sum of series 1+1/3+1/9+1/27+... to n terms sir this question answer 3/2(1-1/3n) sir please help me
1 answer
asked by
ajay
486 views
Find the sum of the following series.
14/n-=1 (2n+1)
2 answers
asked by
Steve
624 views
if p is the nth term
8+20+52+.....+p evaluate the sum to n-of the series plz show step
4 answers
asked by
mayerimi
337 views
Dante is making a necklace with 18 rows of tiny beads in which the number of beads per row is given by the series 3 + 10 + 17 +
3 answers
asked by
Fading
3,729 views
Suppose that the nth partial sum of the series ∞
Σan is Sn = (5n-2)/(5n+2) n=1 Find a3. I have tried plugging in n = 3 and
1 answer
asked by
Tim
684 views
Suppose that the nth partial sum of the series ∞
Σn=1 an is sn = 5n − 2 5n + 2
2 answers
asked by
Tim
890 views
find the sum of the series,if the number of terms is infinite:
1/2.4+1/4.6/+1/6.8+1/8.10+.... sir answer 1/4
2 answers
asked by
warnar
1,000 views
1.3+3.5+5.7+......to n terms.
sir this question answer 1/3n(4n^2+6n-1)
1 answer
asked by
warnar
406 views
Find the n th term and the sum to n terms of the series: 1+(1+2)+(1+2+2^2)+...
1 answer
asked by
Warnar
312 views
The sum of n terms of a series is a.2^n-b, find its n th term. Are the terms of this series in g.p.?
sir this question answer
1 answer
asked by
Warnar
479 views
find the nth term awmd partail sum of the harmonic series below
1/3+1/8+1/15+1/12+..........show working plz
3 answers
asked by
help
450 views
Find the radius of convergence and interval of convergence of the series.
There is an infinity sign on top of the summation
2 answers
asked by
Sena
514 views
Find the sum to infinity of the series
1 + 4/3! + 6/4! + 8/5!
3 answers
asked by
Ben
513 views
find the sum of the infinite geometric series
1/3^6+1/3^8+1/3^10+1/3^12........ -100/9+10/3-1+3/10
3 answers
asked by
fred
472 views
2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) + 5/(3.4.5) + 7/(4.5.6)
1 answer
asked by
Ben
272 views
Can someone show me a step by step process and explanation how to solve this problem?
1) Consider the following series. (∞ on
1 answer
asked by
Erin
445 views
1).Find the sum of the n terms of the series Sn=1^2 + 3^2 +5^2+...+(2n-1)^2
2).Find the sum to n terms of 1/(1.2.3) + 3/(2.3.4) +
4 answers
asked by
ben
752 views
Without using a calculator, find the sum of the series.
Pretend in place of E is Greek Letter Sigma. 27 E(4 + 1/2n) = ? N=0
3 answers
asked by
Leon
390 views
Convert 8.690909 . . . into a single fraction using infinite geometric series.
2 answers
asked by
Alecx
564 views
write a program thatprint on secreen the reselt of the following series:
d=1+2/x^2+3/x^3+.....r/x^r . thanks
1 answer
asked by
ahmad
453 views
find the sum of the series: sum from k=1 to infinity [(3/k(k+1)(k+2))+(-2/3)^k]
3 answers
asked by
chelsea
392 views
In the following series x is a real number. In each case, use the ratio test to determine the radius of convergence of the
2 answers
asked by
BAE
626 views
S=1+2*(1/5)+3*(1/5)^2+4(1/5)^3......
If S=a/b, where a and b are coprime positive integers, what is the value of a+b?
1 answer
asked by
Mathslover
386 views
For each positive integer n, let Hn=1/1 + 1/2 +⋯+ 1/n . If ∑ (up)∞ (base)(n=4) 1/n*Hn*H(n-1)= a/b for relatively prime
5 answers
asked by
clavin
452 views
Find the sum of the series
(infinity above sigma) signma and n = 4 3^n-2 divided by 2^2n-3 please I really need help on this
1 answer
asked by
Sarah
414 views
Is the series 1/(n(n+1)) convergent?
n=2 to n=infinity
1 answer
asked by
Sara
378 views
Does 3/(2^(n) +1) diverge or converge in an infinite sum?
3 answers
asked by
Sara
386 views
1)The sum of 6 terms of an arithmetic series is 45, the sum of 12 terms is -8. Find the first term and the common difference?
2)I
4 answers
asked by
Estrick Abel
849 views
Hello,
I don't know what test to use for this series: Determine the sum of the following series: inf E n=1 (2^n + 9^n) / 12^n
1 answer
asked by
Tom
318 views
Determine the sum of the following geometric series. Round your answers to 4 decimals if necessary.
a) 50 over sigma k=1
1 answer
asked by
alejandro
436 views
Find the sum of each of the convergent series:
b) 5 - 1/3 + 20/9 - 40/27 + 80/81 ..... so first we need to find the general term,
1 answer
asked by
Paul
439 views
Write the series using summation notation
5+11+17+23+29
3 answers
asked anonymously
35 views
Express the infinite series below using sigma notation and then find the sum.
64 + 40 + 25 + 15.625... Any explanation would be
2 answers
asked by
Trisha
1,225 views
How many terms of the series
12+4+4/3+4/9+..., are needed to yield a sum of 1459/81?
1 answer
asked by
Sangita
429 views
What is the summation of (n-3) from n=1 to n=5?
6 answers
asked by
Embraced
300 views
1.Write 4+6+8+10 in sigma notation:
I came up with sigma in the middle 3 on top j=0 on the bottom 2n+4 to the right of the signma
4 answers
asked by
Sandra
463 views
We are working on finding the intervals of convergence of power series in class. Why do we not have to test for the convergence
1 answer
asked by
Chloe
449 views
We're working on geometric and athrimetic series and I really don't know where to start with this except that t sub 1 = 101
How
4 answers
asked by
Anna-
428 views
Please, help me I really need help on this problem. Thank you so much for all your help.
Question: Find the radius of convergence
1 answer
asked by
Ana
400 views
Please, help me I really need help on this problem. Thank you so much for all your help.
Question: Find the radius of convergence
2 answers
asked by
Ana
495 views
It's in sigma notation, so I'm not sure how to type it. I'll just use E lol.
Find each sum. 6 E (n+1)/(n+2) n=1 Is this a
1 answer
asked by
matt
419 views
Here is the problem that I'm having trouble with:
Rewrite each series in a sigma notation and find its sum. 1+.09+.81+... I have
3 answers
asked by
Mathew
394 views
Suppose the series An (from n=1 to INF) is known to be convergent. Prove that series 1/(An) (from n=1 to INF) is a divergent
1 answer
asked by
Mandy
462 views
find the radius and interval of convergence for the series
the series from n=0 to infinity of ((-1)^n*x^n)/(n+1)
1 answer
asked by
jane
362 views
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Parent Categories (10)
Algebra
Algebraic Expressions
Arithmetic
Calculus
Calculus/Algebra
Calculus/Analysis
Further Mathematics
Math
Mathematics
Number Theory