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anonymous
 one year ago
I need explanation.
"choose appropriate technique"
Integral of 1/(4t) dt.
anonymous
 one year ago
I need explanation. "choose appropriate technique" Integral of 1/(4t) dt.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I chose dw:1439111864731:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0the book however chose to just do dw:1439111938025:dw How am I suppose to "know" the right formula?

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1is 4t similar to a^2 t^2 or is it similar to at ?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0at, but there isnt any formula for it in my book. I just do root square.

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1you can do a substitution, right? plug in u =4t find du =...

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Done, Okey got it. I will have to keep mind all the ways that can be used.

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1its not always that you'll get a ready form, like integral 1/(2^2t^2)dt where you can directly use the given formula, sometimes we need to use some formulas or do a substitution to get the integral into the standard form. The thought process for this particular integral is, we have the formula for integral of 1/x dx so just by doing a linear substitution, i can bring it into the form of integral 1/x dx...

hartnn
 one year ago
Best ResponseYou've already chosen the best response.1with practice, you won't need to find or "keep in mind" all the approaches to solve an integral, they will come to you! :D

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I hope so, I have my last exam in calc 2 ever given in 3 weeks.
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