Question

x^7/lnx using l'hopitals rule

Answer 1

x goes to?

Answer 2

7x^6 but i dont know what to do with the lnx

Answer 3

x-> infinity

Answer 4

lnx will become 1/x

Answer 5

diverges

Answer 6

so the final answer is 7x^6/(1/x) or does it go further according to the rule?

Answer 7

you could keep applying the rule, but you dont get anywhere, the limit is infinity.

Answer 8

-5x^2-80x-29. find where function is increasing, decreasing and local exterma

Answer 9

i find the prime of x first right? then set to zero