Ask a New Question

Question

If the nth partial sum of
an is sn=(3n-2)/(n+1)

what is an when x>1?
and what is the sum of an?
11 years ago

Answers

Steve
I 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)
11 years ago

Related Questions

I need help with this partial fraction problem. Find the indefinite integral of (-5x^3+5x^2-5)/(x... How do you take the partial derivative of y = (1200z1z2)^1/2 in respect to z1. Please note z1 and z2... f(x,y)=x^2 - y^2 a)partial derivative with respect to x. So this means that you hold y^2 co... how do you i do the partial fraction for 1/(s^2)(s^2 +2s +3) How do I take the x-partial derivative of -5e^(-x^2 -y^2)(-2x^2 +2xy+1) fx= These is what I have t... If the nth partial sum of the series ∞∑n=1 an is s_n=√(4n^2+5n−7)/(5n+10). Find the sum of the serie... How are partial products and regrouping different Partial variation 4. what does mean  partial correlation? A) The partial charge of the oxygen is negative and the partial charge of the hydrogen is positive....
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use