Lexie S.

asked • 07/16/18

Find the general indefinite integral (question in despription)

∫(t2-2t÷t4)dt
 
my teacher got: -1/t -2t +c 
but i got: -1/t +1/t2 +c

1 Expert Answer

By:

Arturo O. answered • 07/16/18

Tutor
5.0 (66)

Experienced Physics Teacher for Physics Tutoring

See tutors like this
See tutors like this
Assuming the correct integrand, with proper grouping, is
 
(t2 - 2t)/t4 = 1/t2 - 2/t3,
 
the integral is 
 
-1/t + 1/t2 + c
Upvote • 1 Downvote
More
Report

Arturo O.

By the way, you know you can test the answer by just taking its derivative, and checking if that gives the integrand.
Report

07/16/18

Lexie S.

Totally forgot you could do that lol! thanks!
Report

07/17/18

Arturo O.

You are welcome, Lexie.
Report

07/17/18

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.