sigma from n=1 to infinity 5n^6/((n^9)+6) conv or div

is the sum from k=1 to infinity of 1/(k^2+1) convergent? i said it was because the integral is conv...

the sum from n=1 to infinity of sin(n^2)/n^2 I found this converges to pi^2/6, but is it absolu...

lim x-> -infinity 1/(sqaure root of 4/x^2 plus one) i don't understan why the answer is 1.

sigma 1 to infinity 2/k(ln(3k))^2 coverges or diverges

Sum? from n=3 to infinity ((2)/(n+1)-(2)/(n+3))

Let f:[0,infinity) -> R be a differentiable function such that f'(x) >= f(x) > 0 for all x in [0,inf...

lim as x --> infinity ( 4x + (3 / x^2) ) My work: (4x^3 / x^2) + (3 / x^2) (4x^3 + 3) /...

Infinity sigma n=1 (x-8)^n / n(-5)^n Find the interval of convergence

If Sigma n=1 to infinity (z_n+w_n)=0, then there is a complex number p such that Sigma n=1 to infini...

what is infinity x 0

Asked by Sean