Question

Is the series 2 + 3 + 4 + 5+... convergent or divergent?

Is the series 2 + 10 + 50+... convergent or divergent?

Is the series 1/4 -1/16+1/64 + ...convergent or divergent?

Answer 1

when the numbers get bigger the series diverges

Answer 2

soo all convergent?

Answer 3

@UnkleRhaukus

Answer 4

not all of the series have bigger and bigger terms

Answer 5

con con div @UnkleRhaukus

Answer 6

the series is convergent if the terms get smaller and smaller

Answer 7

well the first one is 2345 GOING UP
2 20 50 GOING UP

Answer 8

10*

Answer 9

thats why your suggested answer surprised me

Answer 10

div div con last one converges caz limit of (-1)^n+1/2^2n limit goes to 0 and its decreasing therefore alternating series converges

Answer 11

if u want explanation then say so :P

Answer 12

thanks! @masterxnonos

Answer 13

np :)