exponential dy/dx

**celtic1234** · August 20th 2011, 03:31 AM

Hi
differentiate 4e^(2x+5).

I work it out as= 8e^(2x+5)

Is this correct?

thanks
John

**Siron** · August 20th 2011, 03:48 AM

That's correct!

**e^(i*pi)** · August 20th 2011, 03:50 AM

Originally Posted by celtic1234

Hi
differentiate 4e^(2x+5).

I work it out as= 8e^(2x+5)

Is this correct?

thanks
John

Correct use of the chain rule to give a correct answer

**celtic1234** · August 20th 2011, 03:54 AM

thanks-Siron you better give me your bank details so that i can start paying you

**Siron** · August 20th 2011, 04:07 AM

You're welcome!

And if you want a quick check for your answers you can consult wolphram alpha.

Thread: exponential dy/dx