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Mathematics 8 Online
OpenStudy (anonymous):

How do i find the derivative of (xsinx) using the FIRST PRINCIPLE?? thanks in advance :P

OpenStudy (anonymous):

you have to use the product rule:

OpenStudy (emmigrace222):

http://www.youtube.com/watch?v=Qd8A9pobhvs

OpenStudy (emmigrace222):

that helped me :3

OpenStudy (anonymous):

d/dx(xsinx)= x'sinx+x(sinx)'

OpenStudy (bibby):

Pretty sure he's talking about this http://en.wikipedia.org/wiki/Fundamental_theorem_of_calculus

OpenStudy (anonymous):

Yea bibby i was ;) thanks and emmigrace222 it did make my work easier :P Tan(Q) :P

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