Question

help please with number 11 with the boxes

Answer 1

come back @zepdrix

Answer 2

hmm :\

Answer 3

lool D:

Answer 4

Oh oh oh..
for the second box... do you see the u-substitution that we could apply?
Seems like Integral Test will work well on that one.

Answer 5

yeh

Answer 6

\[\large\rm \int\limits_2^{\infty}\frac{1}{(\ln x)^3}\cdot\frac{1}{x}dx\]So ya :O Apply yoru sub, do it, nao.

Answer 7

:O lol okie

Answer 8

i got a weird function lol

Answer 9

\[\large\rm \int\limits\limits_2^{\infty}\frac{1}{(\color{indianred}{\ln x})^3}\cdot\color{royalblue}{\frac{1}{x}dx}\]Making this substitution,\[\large\rm \color{indianred}{u=\ln x}\]What do you get for your differential du?

Answer 10

oh i see what i did i forgot to take derivative of ln x