Thursday

November 27, 2014

November 27, 2014

Posted by **NADIA** on Tuesday, January 28, 2014 at 1:06am.

an is sn=(3n-2)/(n+1)

what is an when x>1?

and what is the sum of an?

- calculus -
**Steve**, Tuesday, January 28, 2014 at 5:08amI assume that Sn = sum(1..n) An, so Sn -> 3

Dunno where the x comes from, but if you mean when n > 1,

An = Sn - s(n-1)

= (3n-2)/(n+1) - (3(n-1)-2)/(n-1+1)

= 5 / n(n+1)

**Answer this Question**

**Related Questions**

Calculus - The problem I have is a summation from 1 to infinity for (-1)^n/n. I ...

CALC II - Determine the convergence of the following series using the nth-...

precalc - Find the indicated partial sum of the series. infinity E 3(1/2)^i i=1 ...

Algebra - I have one question I really need help with. I know the partial sum ...

Calc II - Perform long division on the integrand, write the proper fraction as a...

calculus - find the sum of the series: 1. the sum from n=1 to infinity of ((-1)^...

Calculus - Determine convergence or divergence for the following series. State ...

calculus - Find the sum of the series (-1)^n (5^(2n))/n! 1. sum = e^25 2. sum = ...

probability - two fair six-sided dice are rolled and the sum of the dots on the ...

Algebra - Two questions I need help with. Find the indicated partial sum using ...