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C3 differentiation help!

xDesertRose

P= 7.5 and value of k is given but i do not know how to differentiate this (part c) could someone help?

(edited 11 years ago)

Reply 1

Ateo

\frac{d}{dx}(e^{-kx}) = -ke^{-kx}

and you know that p and k are constants, can you do it now?

Reply 2

xDesertRose

Original post by Ateo

\frac{d}{dx}(e^{-kx}) = -ke^{-kx}

and you know that p and k are constants, can you do it now?

Isnt it dM/dt so would it still be the same differential?

Reply 3

Ateo

Original post by xDesertRose

Isnt it dM/dt so would it still be the same differential?

Similar, just with the constant p in front. You should understand this notation if you have covered the differentiation chapter for C3. If M is the function you can write dM/dt or d/dt (function).

Reply 4

xDesertRose

Original post by Ateo

Similar, just with the constant p in front. You should understand this notation if you have covered the differentiation chapter for C3. If M is the function you can write dM/dt or d/dt (function).

Got it, thanks boss!

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C3 differentiation help!

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