Posted by Sara on .
Does 3/(2^(n) +1) diverge or converge in an infinite sum?

Calculus II 
bobpursley,
Do the zero limit test.

Calculus II 
Steve,
even without that, you know that 1/2^n converges. It's just a geometric series.
1/(2^n+1) is even less. The 3 is just noise.