how to differentiate this 20(1-e^-0.2t) when t=2 to get the answer 4e^-0.2t ?!!
I really tried many times but could not this answer >_<
Any help? Thank you
-
yoomi
- Follow
- 2 followers
- 4 badges
- Send a private message to yoomi
- Thread Starter
Offline4ReputationRep:- Follow
- 1
- 23-10-2015 23:48
-
smartalan73
- Follow
- 5 followers
- 15 badges
- Send a private message to smartalan73
Offline15ReputationRep:- Follow
- 2
- 23-10-2015 23:53
(Original post by yoomi)
how to differentiate this 20(1-e^-0.2t) when t=2 to get the answer 4e^-0.2t ?!!
I really tried many times but could not this answer >_<
Any help? Thank you -
yoomi
- Follow
- 2 followers
- 4 badges
- Send a private message to yoomi
- Thread Starter
Offline4ReputationRep:- Follow
- 3
- 23-10-2015 23:57
(Original post by smartalan73)
Expand the brackets and differentiate each term individually (hint: 20 differentiated disappears so all you're actually differentiating is -20e^-0.2t)
Thank you anyway -
TheFarmerLad
- Follow
- 56 followers
- 20 badges
- Send a private message to TheFarmerLad
Offline20ReputationRep:- Follow
- 4
- 24-10-2015 00:07
(Original post by yoomi)
how to differentiate this 20(1-e^-0.2t) when t=2 to get the answer 4e^-0.2t ?!!
I really tried many times but could not this answer >_<
Any help? Thank you -
Vikingninja
- Follow
- 36 followers
- 21 badges
- Send a private message to Vikingninja
Offline21ReputationRep:- Follow
- 5
- 24-10-2015 20:33
y= ke^nx
dx/dy kn e^nx
- C3 differentiating e and ln help
- C3 Maths Differentiating ln(x)
- C3 - Differentiating functions defined implicitly
- C3 Differentiating Products
- C3 Differentiating e^x Show that help
- C3 differentiating with e^x and ln x
- C3 differentiating ln x
- Differentiation C3
- C3 The Product Rule Question
- Edexcel C3 math help please :)
-
Teesside University
-
University of Leeds
-
Computer Science and Mathematics with a Year Abroad
Queen Mary University of London
-
University of Bristol
-
University of Oxford
-
University of Southampton
-
University of Oxford
-
University of Glasgow
-
Keele University
-
Mathematics and Physics (with Year Abroad)
University of Bath
We have a brilliant team of more than 60 Support Team members looking after discussions on The Student Room, helping to make it a fun, safe and useful place to hang out.
- SherlockHolmes
- Notnek
- charco
- Mr M
- Changing Skies
- F1's Finest
- rayquaza17
- RDKGames
- davros
- Gingerbread101
- Kvothe the Arcane
- TeeEff
- The Empire Odyssey
- Protostar
- TheConfusedMedic
- nisha.sri
- claireestelle
- Doonesbury
- furryface12
- Amefish
- harryleavey
- Lemur14
- brainzistheword
- Rexar
- Sonechka
- TheAnxiousSloth
- EstelOfTheEyrie
- CoffeeAndPolitics
- an_atheist
- Labrador99
- EmilySarah00