lim as x heads toward infinity of x^200/e^.02x

the lim [as x goes to infinity] (.25)^x =0?? Yes, the limit is zero. The more times you multiply a...

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.

The sum to infinity of a G.P. is 16 and the sum of the first 4terms is 15. Find the first 4 terms....

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) /...

What's the lim(x-->-infinity) sqrt(x^4-1)/(x^3-1)? I've tried solving for it but I got -1/0, which...

00 is infinity 6. x\ge \:-2 or x>5 Interval notation (-00, -2] U (5,00) what will be the plotting...

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