Help please!! simplify the following:
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Step-by-step explanation:

we are given a limit

and we want to simplify it

notice that, the numerator is in a sequence of sum of natural number

recall that,

so substitute:

now recall L'Hôpital's rule

first simplify the complex fraction:

apply L'Hôpital's rule:

simplify:

and we are done:

Step-by-step explanation:

solution given:

The given expression takes a form

when n=

so,

=(1+

= is your answer

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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